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
26119001
Composite: proven not-prime with Lucas-Lehmer test
No factors below 273
TF target 270
P-1
B1 = 1442307
B2 = 1427443290
LL
StatusDateUserResidueShiftSoftware
Verified2005-10-04Martin Turcotte5B81B300C88AB8607539695Linux 32-bit,Prime95,v24 final,(aka Wc2)
Verified2012-03-13Dubslow5B81B300C88AB860948794Linux 64-bit,Prime95,v27.3,build 1
History
DateUserTypeResult
2024-12-08timc995NF-PM1B1=1442307, B2=1427443290
2021-01-02-anonymous-NFno factor TF: 72-73
2020-11-02megavinkNFno factor TF: 71-72
2020-11-02megavinkNFno factor TF: 70-71
2017-04-02ramgeisNFno factor TF: 69-70
2012-03-13DubslowC-LL5B81B300C88AB860
2011-12-26bcp19NFno factor TF: 68-69
2011-12-23David CampeauNFno factor TF: 67-68
2005-10-04-anonymous-C-LL5B81B300C88AB860
2005-09-03-anonymous-NF-PM1B1=410000
2004-12-13-anonymous-NFno factor TF: 1-67