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
138345539Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 1172000
B2 = 1290288780
PRP
StatusDateUserResidueShiftTypeBase
Verified2025-08-11mewturnFFFDDAA1D9FBC5F8013
History
DateUserTypeResult
2025-08-11Fabrice BelletCERT
PRP Certification
CERT proof power = 7
Proof certified good
2025-08-11mewturnC-PRP
FFFDDAA1D9FBC5F8
PRP proof power = 7
PRP: Verified
Proof certified good
2024-09-20Luke DurantNF-PM1
B1=1172000, B2=1290288780
2024-08-22Ryan PropperNF
no factor from 2^76 to 2^77
2024-07-17SRBaseNF
no factor from 2^75 to 2^76
2024-05-06GregNF
no factor from 2^69 to 2^70
2023-01-13SRBaseNF
no factor from 2^74 to 2^75
2016-06-05La GüiraNF
no factor from 2^73 to 2^74
2016-06-05La GüiraNF
no factor from 2^72 to 2^73
2016-06-05La GüiraNF
no factor from 2^71 to 2^72
2016-04-29Brett WalkerNF
no factor from 2^70 to 2^71
2016-03-08Josh FamestadNF
no factor from 2^69 to 2^70
2016-03-02dbaughNF
no factor from 2^68 to 2^69
2016-02-16Ready4PrimeTimeNF
no factor from 2^67 to 2^68
2015-02-07FuesslerNF
no factor from 2^66 to 2^67
2012-11-17sasaki3NF
no factor from 2^65 to 2^66
2010-12-02oodairaNF
no factor from 2^64 to 2^65
2010-06-12Charles A. MorrisNF
no factor from 2^63 to 2^64