Marin Mersenne 2^P-1
Username
Password
Forgot password?
White
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
142736717Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 1250000
B2 = 1489168890
PRP
StatusDateUserResidueShiftTypeBase
Verified2025-08-01MocaFF4E87775FFEC5C810046691113
History
DateUserTypeResult
2025-08-02Fabrice BelletCERT
PRP Certification
CERT proof power = 8
Proof certified good
2025-08-01MocaC-PRP
FF4E87775FFEC5C8
PRP proof power = 8
PRP: Verified
Proof certified good
2024-10-03Luke DurantNF-PM1
B1=1250000, B2=1489168890
2024-09-28RichardNF
no factor from 2^76 to 2^77
2024-03-241997rj7NF
no factor from 2^75 to 2^76
2023-01-23SRBaseNF
no factor from 2^74 to 2^75
2021-11-07SRBaseNF
no factor from 2^73 to 2^74
2020-10-27SRBaseNF
no factor from 2^72 to 2^73
2016-10-14NoWhereManNF
no factor from 2^71 to 2^72
2016-10-12nate.andersNF
no factor from 2^70 to 2^71
2016-10-09nate.andersNF
no factor from 2^69 to 2^70
2016-04-07GustavEbbersNF
no factor from 2^68 to 2^69
2016-03-31dbaughNF
no factor from 2^67 to 2^68
2015-02-24rubikvn2100NF
no factor from 2^66 to 2^67
2012-12-15RichardNF
no factor from 2^65 to 2^66
2010-12-18Gordon SpenceNF
no factor from 2^64 to 2^65
2010-06-16Charles A. MorrisNF
no factor from 2^63 to 2^64