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
138489511Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 676000
B2 = 31393950
PRP
StatusDateUserResidueShiftTypeBase
Verified2025-07-22mewturn521A9EFA3A8A2163013
History
DateUserTypeResult
2025-07-22katmaiCERT
PRP Certification
CERT proof power = 7
Proof certified good
2025-07-22mewturnC-PRP
521A9EFA3A8A2163
PRP proof power = 7
PRP: Verified
Proof certified good
2024-09-21Ryan PropperNF-PM1
B1=676000, B2=31393950
2024-08-26Ryan PropperNF
no factor from 2^76 to 2^77
2024-07-15SRBaseNF
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
2021-08-02SRBaseNF
no factor from 2^73 to 2^74
2020-10-26SRBaseNF
no factor from 2^72 to 2^73
2016-09-16nate.andersNF
no factor from 2^71 to 2^72
2016-09-13nate.andersNF
no factor from 2^70 to 2^71
2016-03-09Josh FamestadNF
no factor from 2^69 to 2^70
2016-03-02dbaughNF
no factor from 2^68 to 2^69
2016-02-16GustavEbbersNF
no factor from 2^67 to 2^68
2015-02-08vwflat4NF
no factor from 2^66 to 2^67
2012-11-27RichardNF
no factor from 2^65 to 2^66
2010-12-06RichardNF
no factor from 2^64 to 2^65