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
332253953
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 281
TF target 281
P-1
B1 = 2855000
B2 = 74230000
LL
StatusDateUserResidueShiftSoftware
Unverified2017-07-14aurashift9E83AB62A5499C__315077359Linux 64-bit,Prime95,v29.1,build 8
History
DateUserTypeResult
2023-02-20Mark RoseNFno factor TF: 80-81
2023-02-20Mark RoseNFno factor TF: 79-80
2022-03-31LordJuliusNFno factor TF: 1-67
2022-03-20ANONYMOUSNFno factor TF: 67-68
2017-07-14aurashiftC-LL9E83AB62A5499C__
2017-03-02aurashiftNF-PM1B1=2855000, B2=74230000, E=12
2013-11-29Bill StaffenNFno factor TF: 78-79
2013-11-27Bill StaffenNFno factor TF: 77-78
2013-06-04Sasa RajicNFno factor TF: 76-77
2013-02-11Sasa RajicNFno factor TF: 75-76
2013-01-09LaurVNFno factor TF: 74-75
2011-12-30Team_InspectorNFno factor TF: 73-74
2011-10-03Team_InspectorNFno factor TF: 72-73
2011-05-02Christian GeschwentnerNFno factor TF: 71-72
2009-07-26Team_InspectorNFno factor TF: 70-71
2009-05-15Team_InspectorNFno factor TF: 69-70
2009-03-09Team_InspectorNFno factor TF: 68-69
2008-11-27Team_InspectorNFno factor TF: 62-63
2008-11-27Team_InspectorNFno factor TF: 61-62