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
332237779
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 281
TF target 281
P-1
B1 = 3105000
B2 = 81506250
LL
StatusDateUserResidueShiftSoftware
Unverified2017-01-26NovaTec66B1C9D17FFA13__30450995Windows 64-bit,Prime95,v28.7,build 1
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2023-02-27Mark RoseNFno factor TF: 80-81
2023-02-27Mark RoseNFno factor TF: 79-80
2023-02-27Mark RoseNFno factor TF: 78-79
2017-01-26NovaTecC-LL66B1C9D17FFA13__
2016-01-23Jason ArmesNF-PM1B1=3105000, B2=81506250
2015-09-07NRNFno factor TF: 77-78
2015-08-17srow7NFno factor TF: 76-77
2011-05-24Sebastian HornbostelNFno factor TF: 75-76
2011-05-20Sebastian HornbostelNFno factor TF: 74-75
2011-05-15Christian GeschwentnerNFno factor TF: 73-74
2011-04-25Christian GeschwentnerNFno factor TF: 72-73
2010-10-23Ethan O'ConnorNFno factor TF: 71-72
2010-09-15Team_InspectorNFno factor TF: 70-71
2009-05-10Team_InspectorNFno factor TF: 69-70
2009-01-28Team_InspectorNFno factor TF: 68-69