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:





MnDetails
83192513
Composite: proven not-prime with Lucas-Lehmer test
No factors below 276
TF target 275
P-1
B1 = 665000
B2 = 12967500
LL
StatusDateUserResidueShiftSoftware
Verified2018-07-29patgie903691C6E7D6140181760088Windows 64-bit,Prime95,v29.4,(aka Wg4)
Verified2025-12-21Greg903691C6E7D614010Linux64,prpll,v7.5
History
DateUserTypeResult
2025-12-21GregC-LL903691C6E7D61401
2018-07-29patgieC-LL903691C6E7D61401
2017-10-11Oliver KruseNF-PM1B1=665000, B2=12967500, E=12
2017-02-12TheJudgerNFno factor TF: 75-76
2017-01-03Brian BeuningNFno factor TF: 74-75
2017-01-03Brian BeuningNFno factor TF: 73-74
2016-12-06Judge HaleNFno factor TF: 72-73
2013-11-16nate.andersNFno factor TF: 71-72
2013-11-16nate.andersNFno factor TF: 70-71
2013-02-18NoPaNFno factor TF: 69-70
2013-02-14Florimond C.NFno factor TF: 68-69
2013-02-13Sergey NosovNFno factor TF: 66-68
2012-08-13Carsten KossendeyNFno factor TF: 65-66
2010-12-06Architects CubedNFno factor TF: 64-65