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
86674933
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 276
TF target 275
P-1
B1 = 695000
B2 = 12683750
LL
StatusDateUserResidueShiftSoftware
Unverified2018-10-11-anonymous-3811DC27F45A05__5509874Windows 64-bit,Prime95,v29.4,build 8
History
DateUserTypeResult
2018-10-11-anonymous-C-LL3811DC27F45A05__
2018-03-31arnaudNF-PM1B1=695000, B2=12683750
2018-02-25TheJudgerNFno factor TF: 75-76
2018-02-25TheJudgerNFno factor TF: 74-75
2017-05-30RichD0NFno factor TF: 73-74
2017-05-09Judge HaleNFno factor TF: 72-73
2013-12-02Smok_bmv NFno factor TF: 71-72
2013-12-02Smok_bmv NFno factor TF: 70-71
2011-01-15Michael CNFno factor TF: 69-70
2011-01-15Michael CNFno factor TF: 68-69
2011-01-15Michael CNFno factor TF: 67-68
2011-01-15Michael CNFno factor TF: 66-67
2011-01-15Michael CNFno factor TF: 65-66
2010-10-19Michael CNFno factor TF: 64-65