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
99986849
Composite: proven not-prime with Lucas-Lehmer test
No factors below 277
TF target 276
P-1
B1 = 830000
B2 = 17222500
LL
StatusDateUserResidueShiftSoftware
Verified2020-03-07curtisc9EF2B402F6DC04A025782098Windows Service,Prime95,v29.8,build 3
Verified2026-04-01Greg9EF2B402F6DC04A00Linux64,prpll,v46386d0
History
DateUserTypeResult
2026-04-01GregC-LL
9EF2B402F6DC04A0
2020-03-07curtiscC-LL
9EF2B402F6DC04A0
2019-12-08ChuckNFno factor TF: 76-77
2019-12-01TheJudgerNF-PM1B1=830000, B2=17222500, E=12
2018-10-23monstNFno factor TF: 75-76
2017-10-27Gordon BowerNFno factor TF: 74-75
2017-10-27Gordon BowerNFno factor TF: 73-74
2017-10-27Gordon BowerNFno factor TF: 72-73
2013-11-25nate.andersNFno factor TF: 71-72
2013-11-23nate.andersNFno factor TF: 70-71
2013-11-23nate.andersNFno factor TF: 69-70
2013-11-23nate.andersNFno factor TF: 68-69
2013-11-17garoNFno factor TF: 67-68
2013-11-17garoNFno factor TF: 66-67
2012-04-12Jimmy BrüggemannNFno factor TF: 65-66
2010-10-281997rj7NFno factor TF: 64-65