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
143578571No known factors, not tested for primality
TF
No factors below 278
TF target 277
P-1
B1 = 1229000
B2 = 1239664140
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2025-10-18-Anonymous-PRP test0.00 % 2025-10-18
History
DateUserTypeResult
2025-05-08JacobZNF
no factor from 2^77 to 2^78
2025-03-19Architects CubedNF
no factor from 2^76 to 2^77
2024-10-06Luke DurantNF-PM1
B1=1229000, B2=1239664140
2020-04-16Franklin WebberNF
no factor from 2^75 to 2^76
2020-04-16Franklin WebberNF
no factor from 2^74 to 2^75
2020-04-16Franklin WebberNF
no factor from 2^73 to 2^74
2020-04-16Franklin WebberNF
no factor from 2^72 to 2^73
2016-12-20PALKOTAMASNF
no factor from 2^71 to 2^72
2016-12-18guruNF
no factor from 2^70 to 2^71
2016-12-17La GüiraNF
no factor from 2^69 to 2^70
2016-04-17DerekNF
no factor from 2^68 to 2^69
2016-03-31dbaughNF
no factor from 2^67 to 2^68
2015-02-28vwflat4NF
no factor from 2^66 to 2^67
2012-12-15tscNF
no factor from 2^65 to 2^66
2010-12-23RichardNF
no factor from 2^64 to 2^65
2010-06-17Torchwood InstituteNF
no factor from 2^63 to 2^64