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
26859071
Composite: proven not-prime with Lucas-Lehmer test
No factors below 275
TF target 270
P-1
B1 = 310000
B2 = 5890000
LL
StatusDateUserResidueShiftSoftware
Verified2005-11-13Ahmer Ali90B3EBD1EE32DD7413158956Windows,Prime95,v23,NT service,(aka WZ5)
Verified2012-07-30Dubslow90B3EBD1EE32DD740CUDALucas v2.04 Beta
History
DateUserTypeResult
2021-10-11TheJudgerNFno factor TF: 74-75
2021-09-19TheJudgerNFno factor TF: 73-74
2021-08-25TheJudgerNFno factor TF: 72-73
2021-08-25TheJudgerNFno factor TF: 71-72
2021-05-22mikrNFno factor TF: 70-71
2017-04-08ramgeisNFno factor TF: 69-70
2012-07-30DubslowC-LL90B3EBD1EE32DD74
2012-02-23bcp19NFno factor TF: 68-69
2011-10-31ChuckNFno factor TF: 67-68
2005-11-13ahmeraliC-LL90B3EBD1EE32DD74
2005-11-01ahmeraliNF-PM1B1=310000, B2=5890000
2004-09-16kutensNFno factor TF: 1-67
2004-07-02-anonymous-NFno factor TF: 1-62
2002-06-02JossNFno factor TF: 1-57