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
25324073
Composite: proven not-prime with Lucas-Lehmer test
No factors below 275
TF target 270
P-1
B1 = 5000000
B2 = 140000000
LL
StatusDateUserResidueShiftSoftware
Verified2005-07-17C. Cooper / S. Boone11B8D287CC4C58FB11520856Windows,Prime95,v23,NT service,(aka WZ5)
Verified2012-05-14Dubslow11B8D287CC4C58FB9828573Linux 64-bit,Prime95,v27.7,build 1
History
DateUserTypeResult
2022-02-15Anton RepkoNF-PM1B1=5000000, B2=140000000
2021-10-17TheJudgerNFno factor TF: 74-75
2021-10-01TheJudgerNFno factor TF: 73-74
2021-08-28TheJudgerNFno factor TF: 72-73
2019-07-17James HeinrichNF-PM1B1=370000, B2=7400000, E=12
2012-05-14DubslowC-LL11B8D287CC4C58FB
2011-11-15bcp19NFno factor TF: 71-72
2011-11-15bcp19NFno factor TF: 70-71
2011-11-14bcp19NFno factor TF: 69-70
2011-11-14bcp19NFno factor TF: 68-69
2011-11-14bcp19NFno factor TF: 67-68
2005-07-17curtiscC-LL11B8D287CC4C58FB
2005-06-19curtiscNF-PM1B1=380000
2004-10-03-anonymous-NFno factor TF: 1-67
2004-02-07markrNFno factor TF: 1-62
2001-08-24MattNFno factor TF: 1-58
2001-08-12Net_ForceNFno factor TF: 1-56