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
64385203
Composite: proven not-prime with Lucas-Lehmer test
No factors below 275
TF target 274
P-1
B1 = 580000
B2 = 11310000
LL
StatusDateUserResidueShiftSoftware
Verified2014-10-11David10105BAFA273BEB8632149209329Windows 64-bit,Prime95,v26.6,build 3
Verified2021-12-29Ryan Propper5BAFA273BEB8632161365229Linux 64-bit,Prime95,v30.7,build 9
Verified2023-01-18Reed_Young5BAFA273BEB8632136211756Linux 64-bit,Prime95,v26.6,build 3
History
DateUserTypeResult
2023-01-18Reed_YoungC-LL5BAFA273BEB86321
2021-12-29Ryan PropperC-LL5BAFA273BEB86321
2019-09-12Sid & AndyNFno factor TF: 74-75
2016-02-23Mark RoseNFno factor TF: 60-63
2014-10-11David1010C-LL5BAFA273BEB86321
2013-07-05kvizbarNF-PM1B1=580000, B2=11310000
2013-05-08apocalypseNFno factor TF: 73-74
2013-05-08apocalypseNFno factor TF: 72-73
2013-05-08apocalypseNFno factor TF: 71-72
2013-05-08apocalypseNFno factor TF: 70-71
2012-04-21ITSNFno factor TF: 69-70
2009-10-12Sturle SundeNFno factor TF: 68-69
2009-10-11Sturle SundeNFno factor TF: 67-68
2009-10-10-anonymous-NFno factor TF: 66-67
2009-10-06-anonymous-NFno factor TF: 65-66
2009-10-05hgnNFno 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