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
42869513No factors below 273
P-1
B1=500 000
B2=11 250 000
LL
StatusDateUserResidueShift
Bad2008-07-04Alexander Kosubek4E610CD3F54A510A38051736
Bad2017-03-31JBasha6617DB1488CD6DF632265097
Verified2017-04-17MadPoo0C8852BE063E3FC530985104
Verified2017-09-06kkmrkkblmbrbk0C8852BE063E3FC541237319
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2017-05-02AirSquirrelsLL double-check0.0 % 2017-05-022017-09-06
2016-07-07salgado1000LL double-check0.0 % 2016-07-072016-08-16
2016-04-20-Anonymous-LL double-checkLL1.5 % 2020-04-252016-05-30
2016-03-10-Anonymous-LL double-check0.0 % 2016-03-102016-04-19
2016-01-29-Anonymous-LL double-check0.0 % 2016-01-292016-03-09
2015-12-19-Anonymous-LL double-check0.0 % 2015-12-192016-01-28
History
DateUserTypeResult
2020-03-21Sid & AndyNFno factor from 2^72 to 2^73
2017-09-06kkmrkkblmbrbkC-LL0C8852BE063E3FC5
2017-04-17MadPooC-LL0C8852BE063E3FC5
2017-03-31JBashaC-LL6617DB1488CD6DF6
2015-09-05-Anonymous-NFno factor from 2^71 to 2^72
2015-04-18Mark RoseNFno factor from 2^70 to 2^71
2015-03-06Carsten KossendeyNFno factor from 2^69 to 2^70
2014-03-07LaurVNFno factor from 2^68 to 2^69
2008-07-04Alexander KosubekC-LL4E610CD3F54A510A
2008-04-24Alexander KosubekNF-PM1B1=500000, B2=11250000
2007-07-04-Anonymous-NFno factor to 2^68