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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
143015437No known factors, not tested for primality
TF
No factors below 278
TF target 277
P-1
B1 = 864000
B2 = 92320200
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2025-08-03-Anonymous-PRP test0.00 % 2025-08-03
History
DateUserTypeResult
2024-10-14StefanSkuNF
no factor from 2^77 to 2^78
2024-10-08StefanSkuNF
no factor from 2^76 to 2^77
2024-10-04Ryan PropperNF-PM1
B1=864000, B2=92320200
2024-07-16SRBaseNF
no factor from 2^75 to 2^76
2023-02-11SRBaseNF
no factor from 2^74 to 2^75
2021-11-08SRBaseNF
no factor from 2^73 to 2^74
2020-10-25SRBaseNF
no factor from 2^72 to 2^73
2016-05-10Earle LoweNF
no factor from 2^71 to 2^72
2016-05-10roemer2201NF
no factor from 2^70 to 2^71
2016-04-18Smok_bmv NF
no factor from 2^69 to 2^70
2016-04-14n9Mtq4NF
no factor from 2^68 to 2^69
2016-03-31dbaughNF
no factor from 2^67 to 2^68
2015-02-25Judge HaleNF
no factor from 2^66 to 2^67
2012-12-12sasaki3NF
no factor from 2^65 to 2^66
2010-12-19manshNF
no factor from 2^64 to 2^65
2010-06-17Torchwood InstituteNF
no factor from 2^63 to 2^64