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:










MnStatusDetails
42731531TF
No factors below 273
TF target 272
P-1
B1 = 570000
B2 = 11400000
LL
StatusDateUserResidueShift
Verified2008-11-29-Anonymous-66F74667545BCDD811780380
Verified2016-02-11Igor_V_Sharov66F74667545BCDD83899614
History
DateUserTypeResult
2018-11-29Architects CubedNF-PM1
B1=570000, B2=11400000, E=12
2018-10-31Random GPUsNF
no factor from 2^72 to 2^73
2016-02-11Igor_V_SharovC-LL
66F74667545BCDD8
2015-09-02-Anonymous-NF
no factor from 2^71 to 2^72
2015-04-08Mark RoseNF
no factor from 2^70 to 2^71
2014-09-27Grant McCrackenNF
no factor from 2^69 to 2^70
2014-01-06Torben K.NF
no factor from 2^68 to 2^69
2008-11-29Stuart ThompsonC-LL
66F74667545BCDD8