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
131567731Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 2000000
B2 = 1539801648
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-09-11Luke DurantE2A68E6AAE785221013
History
DateUserTypeResult
2024-09-11Luke DurantCERT
PRP Certification
CERT proof power = 9
Proof certified good
2024-09-11Luke DurantC-PRP
E2A68E6AAE785221
PRP proof power = 9
PRP: Verified
Proof certified good
2024-08-22ANONYMOUSNF
no factor from 2^70 to 2^71
2024-06-19Luke DurantNF-PM1
B1=2000000, B2=1539801648
2023-08-21TheJudgerNF
no factor from 2^76 to 2^77
2023-08-21TheJudgerNF
no factor from 2^75 to 2^76
2022-12-27SRBaseNF
no factor from 2^74 to 2^75
2021-07-20SRBaseNF
no factor from 2^73 to 2^74
2020-10-22SRBaseNF
no factor from 2^72 to 2^73
2015-12-03nate.andersNF
no factor from 2^71 to 2^72
2015-11-25nate.andersNF
no factor from 2^70 to 2^71
2013-01-21VictordeHollanderNF
no factor from 2^69 to 2^70
2012-09-24VictordeHollanderNF
no factor from 2^68 to 2^69
2012-09-24VictordeHollanderNF
no factor from 2^65 to 2^68
2010-11-15sasaki3NF
no factor from 2^64 to 2^65
2010-06-03Torchwood InstituteNF
no factor from 2^63 to 2^64