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
157564291No known factors, not tested for primality
TF
No factors below 278
TF target 278
P-1
B1 = 1377000
B2 = 1513898100
History
DateUserTypeResult
2025-06-17ElectricBillNF
no factor from 2^77 to 2^78
2025-03-16Gordon BowerNF
no factor from 2^76 to 2^77
2024-09-30Luke DurantNF-PM1
B1=1377000, B2=1513898100
2017-11-18Oliver KruseNF
no factor from 2^72 to 2^76
2017-10-31David K BrittNF
no factor from 2^71 to 2^72
2017-10-28David K BrittNF
no factor from 2^70 to 2^71
2017-10-25-Anonymous-NF
no factor from 2^69 to 2^70
2017-03-12vwflat4NF
no factor from 2^68 to 2^69
2016-05-10rubikvn2100NF
no factor from 2^67 to 2^68
2015-04-19Maurizio FD - ItalyNF
no factor from 2^66 to 2^67
2013-02-11tscNF
no factor from 2^65 to 2^66
2011-01-28runeskNF
no factor from 2^64 to 2^65