Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
137687491Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 676000
B2 = 31127040
PRP
StatusDateUserResidueShiftTypeBase
Verified2025-01-09curtisc43BFA1356BF4B845573530513
History
DateUserTypeResult
2025-01-10entropydaveCERT
PRP Certification
CERT proof power = 8
Proof certified good
2025-01-09curtiscC-PRP
43BFA1356BF4B845
PRP proof power = 8
PRP: Verified
Proof certified good
2024-09-19Ryan PropperNF-PM1
B1=676000, B2=31127040
2024-07-23Luke DurantNF
no factor from 2^76 to 2^77
2024-07-13SRBaseNF
no factor from 2^75 to 2^76
2023-01-12SRBaseNF
no factor from 2^74 to 2^75
2021-08-02SRBaseNF
no factor from 2^73 to 2^74
2020-10-27SRBaseNF
no factor from 2^72 to 2^73
2016-08-18arnaudNF
no factor from 2^71 to 2^72
2016-08-18Will EdgingtonNF
no factor from 2^70 to 2^71
2016-05-16DerekNF
no factor from 2^69 to 2^70
2016-05-15Choi4KANGNF
no factor from 2^68 to 2^69
2016-03-02dbaughNF
no factor from 2^67 to 2^68
2015-02-05vwflat4NF
no factor from 2^66 to 2^67
2012-11-13Mr-PlonkNF
no factor from 2^65 to 2^66
2010-12-01Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-06-11OS1NF
no factor from 2^63 to 2^64