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
70299787
Composite: proven not-prime with Lucas-Lehmer test
No factors below 275
TF target 274
P-1
B1 = 645000
B2 = 13222500
LL
StatusDateUserResidueShiftSoftware
Verified2015-04-30Kyle Z Schmidt5A5F30AB4647BC9D3531902Windows 64-bit,Prime95,v28.5,build 2
Verified2024-07-24Ryan Propper5A5F30AB4647BC9D25545833Linux 64-bit,Prime95,v30.7,build 9
Verified2024-07-29Ryan Propper5A5F30AB4647BC9D1475726Linux 64-bit,Prime95,v30.7,build 9
History
DateUserTypeResult
2024-07-29Ryan PropperC-LL5A5F30AB4647BC9D
2024-07-24Ryan PropperC-LL5A5F30AB4647BC9D
2016-10-31monstNFno factor TF: 74-75
2015-04-30Kyle Z SchmidtC-LL5A5F30AB4647BC9D
2014-10-20Kyle AskineNF-PM1B1=645000, B2=13222500, E=6
2014-10-17srow7NFno factor TF: 73-74
2014-10-17srow7NFno factor TF: 72-73
2014-09-13srow7NFno factor TF: 71-72
2013-05-01SMoffatNFno factor TF: 70-71
2009-10-25tscNFno factor TF: 1-70
2009-10-19tscNFno factor TF: 1-70
2008-11-29Wojciech FlorekNFno factor TF: 1-64
2007-08-14AmperioNFno factor TF: 1-63