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
165038609Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 278
P-1
B1 = 1163000
B2 = 226769550
PRP
StatusDateUserResidueShiftTypeBase
Verified2025-09-15Dr Mamdouh Barakat on MBAi Cloud1DE1683E1BA8A350915331513
History
DateUserTypeResult
2025-09-15StochasticKillerCERT
PRP Certification
CERT proof power = 8
Proof certified good
2025-09-15Dr Mamdouh Barakat on MBAi CloudC-PRP
1DE1683E1BA8A350
PRP proof power = 8
PRP: Verified
Proof certified good
2024-09-04GnarwhalsNF
no factor from 2^75 to 2^76
2024-08-31David HruskaNF-PM1
B1=1163000, B2=226769550
2023-03-09SRBaseNF
no factor from 2^74 to 2^75
2021-12-07SRBaseNF
no factor from 2^73 to 2^74
2018-01-23nate.andersNF
no factor from 2^72 to 2^73
2018-01-21nate.andersNF
no factor from 2^71 to 2^72
2018-01-13ZenghuiNF
no factor from 2^70 to 2^71
2014-11-27La GüiraNF
no factor from 2^69 to 2^70
2014-11-27La GüiraNF
no factor from 2^68 to 2^69
2014-11-27La GüiraNF
no factor from 2^66 to 2^68
2013-03-12Charles A. MorrisNF
no factor from 2^65 to 2^66
2011-02-09sasaki3NF
no factor from 2^64 to 2^65
2010-07-04Charles A. MorrisNF
no factor from 2^63 to 2^64