Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:
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MnStatusDetails
48704479No factors below 273
P-1
B1=585 000
B2=17 257 500
LL
StatusDateUserResidueShift
Bad2011-07-11Michael CBF6AAE0E01BE7C760
Bad2017-08-10-Anonymous-7FC519053897764828304222
Verified2017-08-12MadPooDF765EEF31A3B59A44668464
Verified2017-08-20kkmrkkblmbrbkDF765EEF31A3B59A9812259
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2017-05-17-Anonymous-LL double-checkLL0.0 % 2017-05-182017-06-27
2017-03-06-Anonymous-LL double-check0.0 % 2017-03-062017-04-15
2016-12-25-Anonymous-LL double-check0.0 % 2016-12-252017-02-03
2016-09-11-Anonymous-LL double-checkLL0.0 % 2016-09-132016-10-23
History
DateUserTypeResult
2018-02-04Architects CubedNFno factor from 2^72 to 2^73
2017-08-20kkmrkkblmbrbkC-LLDF765EEF31A3B59A
2017-08-12MadPooC-LLDF765EEF31A3B59A
2017-08-10-Anonymous-C-LL7FC5190538977648
2016-02-23Mark RoseNFno factor from 2^59 to 2^64
2015-12-04-Anonymous-NFno factor from 2^71 to 2^72
2015-09-11Mark RoseNFno factor from 2^70 to 2^71
2015-08-31Gordon SpenceNFno factor from 2^69 to 2^70
2011-07-11Michael CC-LLBF6AAE0E01BE7C76
2009-12-31-Anonymous-NFno factor from 2^68 to 2^69
2009-08-21James HeinrichNF-PM1B1=585000, B2=17257500, E=6
2008-09-23Carsten KossendeyNFno factor from 2^67 to 2^68
2008-09-13Carsten KossendeyNFno factor from 2^67 to 2^68
2008-07-04Carsten KossendeyNFno factor from 2^66 to 2^67
2008-06-13Carsten KossendeyNFno factor from 2^65 to 2^66
2008-06-13Carsten KossendeyNFno factor from 2^64 to 2^65
2003-06-09Thomas MullenNFno factor to 2^59