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
159216619No known factors, not tested for primality
TF
No factors below 278
TF target 278
P-1
B1 = 1378000
B2 = 1439822670
History
DateUserTypeResult
2025-08-01GregNF
no factor from 2^77 to 2^78
2025-07-02GregNF
no factor from 2^76 to 2^77
2024-09-30Luke DurantNF-PM1
B1=1378000, B2=1439822670
2024-08-26SRBaseNF
no factor from 2^75 to 2^76
2023-02-26SRBaseNF
no factor from 2^74 to 2^75
2018-05-28AyczlyNF
no factor from 2^73 to 2^74
2018-05-28AyczlyNF
no factor from 2^72 to 2^73
2018-05-28AyczlyNF
no factor from 2^71 to 2^72
2018-05-05proxy2222NF
no factor from 2^70 to 2^71
2018-04-21proxy2222NF
no factor from 2^69 to 2^70
2017-03-15XolotlNF
no factor from 2^68 to 2^69
2016-05-17rubikvn2100NF
no factor from 2^67 to 2^68
2015-04-28BrandonNF
no factor from 2^66 to 2^67
2013-04-18Charles A. MorrisNF
no factor from 2^65 to 2^66
2011-01-31runeskNF
no factor from 2^64 to 2^65