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
151315001No known factors, not tested for primality
TF
No factors below 278
TF target 277
P-1
B1 = 1024000
B2 = 30855090
History
DateUserTypeResult
2025-09-09StefanSkuNF
no factor from 2^77 to 2^78
2025-03-06bayanneNF-PM1
B1=1024000, B2=30855090
2025-01-14Architects CubedNF
no factor from 2^76 to 2^77
2024-08-03SRBaseNF
no factor from 2^75 to 2^76
2024-05-06GregNF
no factor from 2^68 to 2^69
2023-02-06SRBaseNF
no factor from 2^74 to 2^75
2021-11-29SRBaseNF
no factor from 2^73 to 2^74
2018-02-07hktNF
no factor from 2^72 to 2^73
2017-08-06Sergey NosovNF
no factor from 2^69 to 2^72
2016-07-20Josh FamestadNF
no factor from 2^68 to 2^69
2016-04-20Jan KuipersNF
no factor from 2^67 to 2^68
2015-03-23vwflat4NF
no factor from 2^66 to 2^67
2013-01-18firereddNF
no factor from 2^65 to 2^66
2011-01-14runeskNF
no factor from 2^64 to 2^65
2010-06-23Charles A. MorrisNF
no factor from 2^63 to 2^64