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
141342473No known factors, not tested for primality
TF
No factors below 277
TF target 277
P-1
B1 = 1221000
B2 = 1307713440
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2025-09-18johnguinPRP testPRP12.32 % 2025-10-11
History
DateUserTypeResult
2024-09-29Luke DurantNF-PM1
B1=1221000, B2=1307713440
2024-09-10infinigonNF
no factor from 2^76 to 2^77
2024-07-16SRBaseNF
no factor from 2^75 to 2^76
2023-01-23SRBaseNF
no factor from 2^74 to 2^75
2021-11-04SRBaseNF
no factor from 2^73 to 2^74
2020-11-13SRBaseNF
no factor from 2^72 to 2^73
2017-05-12Nguyen Huy AnhNF
no factor from 2^71 to 2^72
2017-05-12arnaudNF
no factor from 2^70 to 2^71
2017-05-11Choi4KANGNF
no factor from 2^69 to 2^70
2017-02-26Choi4KANGNF
no factor from 2^68 to 2^69
2016-03-18dbaughNF
no factor from 2^67 to 2^68
2015-02-20Schultz7676NF
no factor from 2^66 to 2^67
2012-12-03sasaki3NF
no factor from 2^65 to 2^66
2010-12-14AntonNF
no factor from 2^64 to 2^65
2010-06-15BattlemaxxNF
no factor from 2^63 to 2^64