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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
152875579No known factors, not tested for primality
TF
No factors below 277
TF target 277
P-1
B1 = 1160000
B2 = 515410350
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2025-08-03Renato Tavarestrial factoring0.00 % 2025-08-03
History
DateUserTypeResult
2025-01-23Simon JosefssonNF-PM1
B1=1160000, B2=515410350
2025-01-07RichardNF
no factor from 2^76 to 2^77
2024-08-07SRBaseNF
no factor from 2^75 to 2^76
2023-02-11SRBaseNF
no factor from 2^74 to 2^75
2021-11-14SRBaseNF
no factor from 2^73 to 2^74
2017-08-06treborNF
no factor from 2^72 to 2^73
2017-06-12treborNF
no factor from 2^71 to 2^72
2017-05-13Brian LechthalerNF
no factor from 2^70 to 2^71
2017-04-26megavinkNF
no factor from 2^69 to 2^70
2017-02-27vwflat4NF
no factor from 2^68 to 2^69
2016-04-25LingUaanNF
no factor from 2^67 to 2^68
2015-04-02OS1NF
no factor from 2^66 to 2^67
2013-01-24Charles A. MorrisNF
no factor from 2^65 to 2^66
2011-01-18Charles A. MorrisNF
no factor from 2^64 to 2^65
2010-07-121997rj7NF
no factor from 2^63 to 2^64