Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
333333659Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
TF
No factors below 281
TF target 281
P-1
B1 = 3110000
B2 = 93300000
LL
StatusDateUserResidueShift
Unverified2016-05-17-Anonymous-E7E3149800C14C__116609560
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2024-11-16luke_tiddLL double-checkLL17.60 % 2025-03-14
History
DateUserTypeResult
2023-10-18James HeinrichNF
no factor from 2^67 to 2^68
2016-05-30Bruno VictalNF
no factor from 2^80 to 2^81
2016-05-28Bruno VictalNF
no factor from 2^79 to 2^80
2016-05-28Bruno VictalNF
no factor from 2^78 to 2^79
2016-05-27Bruno VictalNF
no factor from 2^77 to 2^78
2016-05-17-Anonymous-C-LL
E7E3149800C14C__
2016-02-27aurashiftNF-PM1
B1=3110000, B2=93300000, E=12
2011-05-19BdotNF
no factor from 2^75 to 2^76
2011-05-19BdotNF
no factor from 2^76 to 2^77
2010-07-11amphoriaNF
no factor from 2^74 to 2^75
2009-05-10unconnectedNF
no factor from 2^73 to 2^74
2009-04-23unconnectedNF
no factor from 2^72 to 2^73
2009-04-05unconnectedNF
no factor from 2^71 to 2^72
2009-03-31unconnectedNF
no factor from 2^70 to 2^71
2008-09-22monstNF
no factor from 2^69 to 2^70
2008-09-22monstNF
no factor from 2^68 to 2^69