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
141866567No known factors, not tested for primality
TF
No factors below 277
TF target 277
P-1
B1 = 1221000
B2 = 1501679190
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2025-04-14-Anonymous-PRP testPRP0.00 % 2025-07-15
History
DateUserTypeResult
2024-10-01Luke DurantNF-PM1
B1=1221000, B2=1501679190
2024-09-13ViliNF
no factor from 2^76 to 2^77
2024-07-17SRBaseNF
no factor from 2^75 to 2^76
2024-05-06GregNF
no factor from 2^68 to 2^69
2023-01-31SRBaseNF
no factor from 2^74 to 2^75
2021-11-06SRBaseNF
no factor from 2^73 to 2^74
2020-10-27SRBaseNF
no factor from 2^72 to 2^73
2016-07-08d3zorgNF
no factor from 2^71 to 2^72
2016-07-07guruNF
no factor from 2^70 to 2^71
2016-07-07guruNF
no factor from 2^69 to 2^70
2016-04-13Josh FamestadNF
no factor from 2^68 to 2^69
2016-03-25dbaughNF
no factor from 2^67 to 2^68
2015-02-21greg3llNF
no factor from 2^66 to 2^67
2012-12-06tscNF
no factor from 2^65 to 2^66
2010-12-15zygNF
no factor from 2^64 to 2^65
2010-06-15Thomas StorkNF
no factor from 2^63 to 2^64