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
142266571No known factors, not tested for primality
TF
No factors below 277
TF target 277
P-1
B1 = 1229000
B2 = 1464137070
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2025-06-30-Anonymous-PRP test0.00 % 2025-06-30
History
DateUserTypeResult
2024-10-02Luke DurantNF-PM1
B1=1229000, B2=1464137070
2024-09-25Ryan PropperNF
no factor from 2^76 to 2^77
2024-07-18SRBaseNF
no factor from 2^75 to 2^76
2024-06-01James HeinrichNF
no factor from 2^71 to 2^72
2023-01-29SRBaseNF
no factor from 2^74 to 2^75
2021-11-06SRBaseNF
no factor from 2^73 to 2^74
2020-10-25SRBaseNF
no factor from 2^72 to 2^73
2016-10-23ConductorNF
no factor from 2^71 to 2^72
2016-08-21Choi4KANGNF
no factor from 2^70 to 2^71
2016-07-10Choi4KANGNF
no factor from 2^69 to 2^70
2016-06-05Choi4KANGNF
no factor from 2^68 to 2^69
2016-03-25dbaughNF
no factor from 2^67 to 2^68
2015-02-23aurashiftNF
no factor from 2^66 to 2^67
2012-12-09sasaki3NF
no factor from 2^65 to 2^66
2010-12-16Gordon SpenceNF
no factor from 2^64 to 2^65
2010-06-28KikamonjuNF
no factor from 2^63 to 2^64