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
64392997
Composite: proven not-prime with Lucas-Lehmer test
No factors below 275
TF target 274
P-1
B1 = 580000
B2 = 11600000
LL
StatusDateUserResidueShiftSoftware
Verified2014-10-11Filen0E1BA8A5AD4499B57436834Windows 64-bit,Prime95,v27.9,build 1
Verified2021-12-29lajo3210E1BA8A5AD4499B559455444Linux 64-bit,Prime95,v30.7,build 9
Verified2023-01-18Reed_Young0E1BA8A5AD4499B531630789Linux 64-bit,Prime95,v26.6,build 3
History
DateUserTypeResult
2023-01-18Reed_YoungC-LL0E1BA8A5AD4499B5
2021-12-29lajo321C-LL0E1BA8A5AD4499B5
2019-09-08Sid & AndyNFno factor TF: 74-75
2016-02-23Mark RoseNFno factor TF: 60-63
2014-10-11FilenC-LL0E1BA8A5AD4499B5
2013-11-24Sid & AndyNF-PM1B1=580000, B2=11600000, E=12
2013-11-11RichD0NFno factor TF: 73-74
2013-11-11BdotNFno factor TF: 72-73
2013-10-15JoDuNFno factor TF: 71-72
2013-05-07electron1897NFno factor TF: 70-71
2012-04-17SMorganNFno factor TF: 69-70
2009-10-21Sturle SundeNFno factor TF: 68-69
2009-10-18raymondfNFno factor TF: 67-68
2009-10-15KegsyNFno factor TF: 66-67
2009-10-102knarfNFno factor TF: 65-66
2009-10-072knarfNFno factor TF: 64-65
2009-05-31Architects CubedNFno factor TF: 63-64
2004-01-18AxelFoxNFno factor TF: 1-60
2003-09-14Gordon SpenceNFno factor TF: 1-59