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
85607897
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 276
TF target 275
P-1
B1 = 690000
B2 = 13455000
LL
StatusDateUserResidueShiftSoftware
Unverified2019-08-15patgie696D109767C12D__77223984Windows 64-bit,Prime95,v29.8,build 3
History
DateUserTypeResult
2019-08-15patgieC-LL696D109767C12D__
2019-04-28ATHNFno factor TF: 1-63
2019-04-28ATHNFno factor TF: 63-64
2018-01-21nranksNF-PM1B1=690000, B2=13455000, E=12
2017-10-01TheJudgerNFno factor TF: 75-76
2017-09-261997rj7NFno factor TF: 74-75
2017-04-19-anonymous-NFno factor TF: 73-74
2017-03-06garoNFno factor TF: 71-72
2017-03-06garoNFno factor TF: 72-73
2014-03-04Andreas_TruetschNFno factor TF: 70-71
2013-08-27Chih-Wei HuangNFno factor TF: 69-70
2013-08-23Chih-Wei HuangNFno factor TF: 68-69
2013-06-20frmarNFno factor TF: 67-68
2013-06-17Lukin DmitryNFno factor TF: 66-67
2012-08-22america64NFno factor TF: 65-66
2010-11-27Architects CubedNFno factor TF: 64-65