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
65296703
Composite: proven not-prime with Lucas-Lehmer test
No factors below 275
TF target 274
P-1
B1 = 580000
B2 = 10730000
LL
StatusDateUserResidueShiftSoftware
Verified2014-12-21Kyle Z Schmidt6C9A2D221588E85A52485579Windows 64-bit,Prime95,v28.5,build 2
Verified2022-11-25Roland Clarkson6C9A2D221588E85A0gpuowl,v6.11-380-g79ea0cc
History
DateUserTypeResult
2024-05-10James HeinrichNFno factor TF: 68-69
2022-11-25Roland ClarksonC-LL6C9A2D221588E85A
2022-03-10Richard ThomasNFno factor TF: 74-75
2016-03-28Mark RoseNFno factor TF: 60-63
2014-12-21Kyle Z SchmidtC-LL6C9A2D221588E85A
2014-07-04DanathNF-PM1B1=580000, B2=10730000
2014-01-01Craig MeyersNFno factor TF: 73-74
2014-01-01Craig MeyersNFno factor TF: 72-73
2013-12-15RichD0NFno factor TF: 71-72
2013-07-18Carsten KossendeyNFno factor TF: 70-71
2012-01-24Per JessenNFno factor TF: 69-70
2010-09-09lindedNFno factor TF: 68-69
2010-09-05lindedNFno factor TF: 67-68
2010-09-02Cow_tippingNFno factor TF: 66-67
2010-08-29HiS SlyneSSNFno factor TF: 65-66
2009-10-30Sturle SundeNFno factor TF: 64-65
2009-01-05Wojciech FlorekNFno factor TF: 63-64
2004-04-091997rj7NFno factor TF: 1-60
2003-11-08Gordon SpenceNFno factor TF: 1-59