Marin Mersenne 2^P-1
Username
Password
Forgot password?
White
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:





MnDetails
26042363
Composite: proven not-prime with Lucas-Lehmer test
No factors below 273
TF target 270
P-1
B1 = 1722000
B2 = 1949629500
LL
StatusDateUserResidueShiftSoftware
Verified2005-11-01Intech827B87E0550578C810091302Windows,Prime95,v23,(aka WZ1)
Verified2012-04-10Dubslow827B87E0550578C823781592Linux 64-bit,Prime95,v27.4,build 1
History
DateUserTypeResult
2024-11-03timc995NF-PM1B1=1722000, B2=1949629500
2021-08-26TheJudgerNFno factor TF: 72-73
2021-08-26TheJudgerNFno factor TF: 71-72
2021-04-10mikrNFno factor TF: 70-71
2017-03-31ramgeisNFno factor TF: 69-70
2012-04-10DubslowC-LL827B87E0550578C8
2011-12-18bcp19NFno factor TF: 68-69
2011-10-11ChuckNFno factor TF: 67-68
2005-11-01-anonymous-C-LL827B87E0550578C8
2005-01-20-anonymous-NF-PM1B1=385000
2004-07-13-anonymous-NFno factor TF: 1-67