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
128772373Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 1048000
B2 = 789514110
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-09-07Luke Durant2E8D7F7836D0400E013
History
DateUserTypeResult
2024-09-07hisakazu1961CERT
PRP Certification
CERT proof power = 9
Proof certified good
2024-09-07Luke DurantC-PRP
2E8D7F7836D0400E
PRP proof power = 9
PRP: Verified
Proof certified good
2024-09-06Luke DurantNF-PM1
B1=1048000, B2=789514110
2023-01-28TravisJankNF
no factor from 2^76 to 2^77
2023-01-28TravisJankNF
no factor from 2^75 to 2^76
2023-01-01SRBaseNF
no factor from 2^74 to 2^75
2019-06-07Niels_Mache_NextcloudNF
no factor from 2^73 to 2^74
2015-12-16ANONYMOUSNF
no factor from 2^72 to 2^73
2015-12-16ANONYMOUSNF
no factor from 2^71 to 2^72
2015-12-16ANONYMOUSNF
no factor from 2^70 to 2^71
2015-12-13La GüiraNF
no factor from 2^69 to 2^70
2015-12-13La GüiraNF
no factor from 2^68 to 2^69
2015-11-16La GüiraNF
no factor from 2^67 to 2^68
2015-01-10Jan KuipersNF
no factor from 2^66 to 2^67
2012-10-01soldcakeNF
no factor from 2^65 to 2^66
2010-11-08Charles A. MorrisNF
no factor from 2^64 to 2^65
2010-05-30lindedNF
no factor from 2^63 to 2^64