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
72756883TF
No factors below 275
TF target 274
P-1
B1 = 625000
B2 = 12656250
LL
StatusDateUserResidueShift
Unverified2015-11-27Jack The Ripper61901491943EBB__12621147
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2024-04-01-Anonymous-LL double-check0.00 % 2024-04-01
History
DateUserTypeResult
2015-11-27Jack The RipperC-LL
61901491943EBB__
2015-08-30TheJudgerNF-PM1
B1=625000, B2=12656250, E=12
2015-08-23TheJudgerNF
no factor from 2^74 to 2^75
2015-08-23TheJudgerNF
no factor from 2^73 to 2^74
2015-08-23TheJudgerNF
no factor from 2^72 to 2^73
2015-03-15srow7NF
no factor from 2^71 to 2^72
2012-11-23ixfd64NF
no factor from 2^70 to 2^71
2012-10-06ArtfulDodgerNF
no factor from 2^69 to 2^70
2010-09-29root_slaterNF
no factor from 2^68 to 2^69
2010-09-28PalantsevichNF
no factor from 2^67 to 2^68
2010-09-24Robert WalkerNF
no factor from 2^66 to 2^67
2010-09-22MahigadNF
no factor from 2^65 to 2^66
2010-07-21Bold_SeekerNF
no factor from 2^64 to 2^65
2008-09-22-Anonymous-NF
no factor to 2^64