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
69892819No factors below 276
P-1
B1=730 000
B2=17 337 500
LL
StatusDateUserResidueShift
Bad2016-05-01vats09CF8859D1BF2D51D634948382
Verified2016-11-28endless_mike6FDBC5DF1FAF394A8877814
Verified2017-01-13Mark Rose6FDBC5DF1FAF394A241842
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2014-10-28-Anonymous-LL double-checkLL0.0 % 2014-10-282014-12-27
2014-08-23IngveLL double-check0.0 % 2014-08-232014-10-22
2014-06-20-Anonymous-LL double-check0.0 % 2014-06-202014-08-19
2014-04-20-Anonymous-LL double-check0.0 % 2014-04-202014-06-19
History
DateUserTypeResult
2020-05-30-Anonymous-NFno factor from 2^75 to 2^76
2017-01-13Mark RoseC-LL6FDBC5DF1FAF394A
2016-11-28endless_mikeC-LL6FDBC5DF1FAF394A
2016-05-01vats09C-LLCF8859D1BF2D51D6
2016-04-26ktonyNFno factor from 2^74 to 2^75
2016-03-30Mark RoseNFno factor from 2^62 to 2^64
2014-10-28brilongNFno factor from 2^73 to 2^74
2014-04-20chalsallNFno factor from 2^72 to 2^73
2014-04-15timc995NF-PM1B1=730000, B2=17337500, E=12
2014-01-05bayanneNFno factor from 2^71 to 2^72
2013-09-18Architects CubedNFno factor from 2^70 to 2^71
2013-09-18Architects CubedNFno factor from 2^69 to 2^70
2010-03-07Sturle SundeNFno factor from 2^68 to 2^69
2010-03-06-Anonymous-NFno factor from 2^67 to 2^68
2010-03-04ctBuckweedNFno factor from 2^66 to 2^67
2010-02-23ctBuckweedNFno factor from 2^65 to 2^66
2010-02-20Sturle SundeNFno factor from 2^64 to 2^65
2003-10-23-Anonymous-NFno factor to 2^62
2000-09-15Jocelyn LaroucheNFno factor to 2^56