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
154231967No known factors, not tested for primality
TF
No factors below 278
TF target 278
P-1
B1 = 870000
B2 = 77080080
History
DateUserTypeResult
2025-06-28Addison FischerNF
no factor from 2^77 to 2^78
2025-05-22Yves BellefeuilleNF-PM1
B1=870000, B2=77080080
2024-12-17Ethan O'ConnorNF
no factor from 2^76 to 2^77
2024-08-15SRBaseNF
no factor from 2^75 to 2^76
2023-02-16SRBaseNF
no factor from 2^74 to 2^75
2021-11-30SRBaseNF
no factor from 2^73 to 2^74
2017-08-19Earle LoweNF
no factor from 2^72 to 2^73
2017-08-16Johan ViljoenNF
no factor from 2^71 to 2^72
2017-07-25Johan ViljoenNF
no factor from 2^70 to 2^71
2017-07-09La GüiraNF
no factor from 2^69 to 2^70
2017-03-02tmorrowNF
no factor from 2^68 to 2^69
2016-04-28rubikvn2100NF
no factor from 2^67 to 2^68
2015-04-17Ljubisa CveticNF
no factor from 2^66 to 2^67
2013-01-30sasaki3NF
no factor from 2^65 to 2^66
2011-01-20runeskNF
no factor from 2^64 to 2^65
2010-06-25Torchwood InstituteNF
no factor from 2^63 to 2^64