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
141470279Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 804000
B2 = 72321990
PRP
StatusDateUserResidueShiftTypeBase
Verified2025-05-15ANONYMOUS9A220497DDD2D2539875903813
History
DateUserTypeResult
2025-05-15SchwaCERT
PRP Certification
CERT proof power = 8
Proof certified good
2025-05-15ANONYMOUSC-PRP
9A220497DDD2D253
PRP proof power = 8
PRP: Verified
Proof certified good
2024-10-01R GiltrapNF-PM1
B1=804000, B2=72321990
2024-09-20infinigonNF
no factor from 2^76 to 2^77
2024-07-15SRBaseNF
no factor from 2^75 to 2^76
2023-01-21SRBaseNF
no factor from 2^74 to 2^75
2021-11-04SRBaseNF
no factor from 2^73 to 2^74
2020-11-19SRBaseNF
no factor from 2^72 to 2^73
2017-03-04EratosthenesNF
no factor from 2^71 to 2^72
2017-02-10SourceBinary.comNF
no factor from 2^70 to 2^71
2017-02-09XolotlNF
no factor from 2^69 to 2^70
2017-02-08ITSNF
no factor from 2^68 to 2^69
2016-03-18dbaughNF
no factor from 2^67 to 2^68
2015-02-26RichardNF
no factor from 2^66 to 2^67
2012-12-04sasaki3NF
no factor from 2^65 to 2^66
2010-12-14Jud McCranieNF
no factor from 2^64 to 2^65
2010-06-15Torchwood InstituteNF
no factor from 2^63 to 2^64