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
142072001No known factors, not tested for primality
TF
No factors below 277
TF target 277
P-1
B1 = 838000
B2 = 84690900
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2025-04-23billymac00PRP testPRP81.65 % 2025-10-18
History
DateUserTypeResult
2024-10-02Ryan PropperNF-PM1
B1=838000, B2=84690900
2024-09-15ihnlNF
no factor from 2^76 to 2^77
2024-07-16SRBaseNF
no factor from 2^75 to 2^76
2023-01-21SRBaseNF
no factor from 2^74 to 2^75
2021-11-13SRBaseNF
no factor from 2^73 to 2^74
2020-10-25SRBaseNF
no factor from 2^72 to 2^73
2016-04-24SourceBinary.comNF
no factor from 2^71 to 2^72
2016-04-19SourceBinary.comNF
no factor from 2^70 to 2^71
2016-04-15Mihai PredaNF
no factor from 2^69 to 2^70
2016-04-07Mihai PredaNF
no factor from 2^68 to 2^69
2016-03-25dbaughNF
no factor from 2^67 to 2^68
2015-02-233astNF
no factor from 2^66 to 2^67
2012-12-24RichardNF
no factor from 2^65 to 2^66
2010-12-17RichardNF
no factor from 2^64 to 2^65