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
138301591Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 1172000
B2 = 1276426470
PRP
StatusDateUserResidueShiftTypeBase
Verified2025-06-20George Woltman4B1D35C9BB8FB540013
History
DateUserTypeResult
2025-06-20MarkoPoloCERT
PRP Certification
CERT proof power = 10
Proof certified good
2025-06-20George WoltmanC-PRP
4B1D35C9BB8FB540
PRP proof power = 10
PRP: Verified
Proof certified good
2024-09-20Luke DurantNF-PM1
B1=1172000, B2=1276426470
2024-07-27RichardNF
no factor from 2^76 to 2^77
2024-07-16SRBaseNF
no factor from 2^75 to 2^76
2022-05-29gLaussNF
no factor from 2^74 to 2^75
2021-08-04SRBaseNF
no factor from 2^73 to 2^74
2020-10-25SRBaseNF
no factor from 2^72 to 2^73
2016-10-15d3zorgNF
no factor from 2^71 to 2^72
2016-10-13Smok_bmv NF
no factor from 2^70 to 2^71
2016-10-10Adam BuranNF
no factor from 2^69 to 2^70
2016-03-10dbaughNF
no factor from 2^68 to 2^69
2016-02-15Ready4PrimeTimeNF
no factor from 2^67 to 2^68
2015-02-07tscNF
no factor from 2^66 to 2^67
2012-11-17561NF
no factor from 2^65 to 2^66
2010-12-05RichardNF
no factor from 2^64 to 2^65
2010-06-12sasaki3NF
no factor from 2^63 to 2^64