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
138804623Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 1109000
B2 = 757596840
PRP
StatusDateUserResidueShiftTypeBase
Verified2025-09-16John_McClaneA5334FCD5BB5408C013
History
DateUserTypeResult
2025-09-16Gerry SnyderCERT
PRP Certification
CERT proof power = 8
Proof certified good
2025-09-16John_McClaneC-PRP
A5334FCD5BB5408C
PRP proof power = 8
PRP: Verified
Proof certified good
2024-09-22Luke DurantNF-PM1
B1=1109000, B2=757596840
2024-08-05Luke DurantNF
no factor from 2^76 to 2^77
2024-07-13SRBaseNF
no factor from 2^75 to 2^76
2023-01-25SRBaseNF
no factor from 2^74 to 2^75
2021-08-03SRBaseNF
no factor from 2^73 to 2^74
2020-11-16SRBaseNF
no factor from 2^72 to 2^73
2016-04-11vats09NF
no factor from 2^71 to 2^72
2016-04-03Choi4KANGNF
no factor from 2^70 to 2^71
2016-03-06La GüiraNF
no factor from 2^69 to 2^70
2016-03-06La GüiraNF
no factor from 2^68 to 2^69
2016-03-06La GüiraNF
no factor from 2^67 to 2^68
2015-02-01el groccoNF
no factor from 2^66 to 2^67
2012-11-29ConadComputerNF
no factor from 2^65 to 2^66
2010-12-04Thomas StorkNF
no factor from 2^64 to 2^65
2010-06-12sasaki3NF
no factor from 2^63 to 2^64