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
84861761
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 276
TF target 275
P-1
B1 = 680000
B2 = 13260000
LL
StatusDateUserResidueShiftSoftware
Unverified2019-05-09patgie9C61B2AA0DE65F__33126587Windows 64-bit,Prime95,v29.4,build 8
History
DateUserTypeResult
2024-08-07Jarod McClintockNFno factor TF: 71-73
2019-05-09patgieC-LL9C61B2AA0DE65F__
2019-04-27ATHNFno factor TF: 63-64
2019-04-27ATHNFno factor TF: 1-63
2017-12-07S485122NF-PM1B1=680000, B2=13260000, E=12
2017-06-25TheJudgerNFno factor TF: 75-76
2017-06-12Brian BeuningNFno factor TF: 74-75
2017-05-05-anonymous-NFno factor TF: 73-74
2017-02-13Judge HaleNFno factor TF: 72-73
2017-02-13Judge HaleNFno factor TF: 71-72
2014-08-16Thomas BieberNFno factor TF: 70-71
2014-04-01SWL551NFno factor TF: 69-70
2014-01-26AdolfNorNFno factor TF: 68-69
2013-11-08cncr04sNFno factor TF: 67-68
2013-03-07Manfred Künzler SwissNFno factor TF: 66-67
2012-08-06Carsten KossendeyNFno factor TF: 65-66
2010-12-24Architects CubedNFno factor TF: 64-65