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
25542613
Composite: proven not-prime with Lucas-Lehmer test
No factors below 273
TF target 270
P-1
B1 = 1200000
B2 = 79200000
LL
StatusDateUserResidueShiftSoftware
Verified2005-10-18Gymnasium Raubling4A4A49A15A0D4FB224169558Windows,Prime95,v24 final,(aka Wc1)
Verified2012-01-02Dubslow4A4A49A15A0D4FB220142112Windows 64-bit,Prime95,v26.6,build 3
History
DateUserTypeResult
2021-08-28TheJudgerNFno factor TF: 72-73
2021-08-28TheJudgerNFno factor TF: 71-72
2021-08-20Dylan DelgadoNF-PM1B1=1200000, B2=79200000
2021-06-25mikrNFno factor TF: 70-71
2017-03-23ramgeisNFno factor TF: 69-70
2012-01-02DubslowC-LL4A4A49A15A0D4FB2
2011-11-27bcp19NFno factor TF: 68-69
2011-11-25Carsten KossendeyNFno factor TF: 67-68
2005-10-18Gymnasium_RaublingC-LL4A4A49A15A0D4FB2
2004-09-02-anonymous-NF-PM1B1=380000
2004-05-11-anonymous-NFno factor TF: 1-67
2002-02-17MattNFno factor TF: 1-57
2001-08-12Net_ForceNFno factor TF: 1-56