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
332220029
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
Unverified2017-10-10IcarusE973C2D86D22C9__109005967Windows 64-bit,Prime95,v28.9,build 2
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2023-02-12Mark RoseNFno factor TF: 80-81
2023-02-12Mark RoseNFno factor TF: 79-80
2017-10-10IcarusC-LLE973C2D86D22C9__
2016-11-21IcarusNF-PM1B1=2855000, B2=74230000, E=12
2015-10-14NRNFno factor TF: 78-79
2015-10-14NRNFno factor TF: 77-78
2015-10-14NRNFno factor TF: 76-77
2011-04-01Christian GeschwentnerNFno factor TF: 75-76
2009-07-13ANONYMOUSNFno factor TF: 74-75
2009-07-06ANONYMOUSNFno factor TF: 73-74
2009-07-02ANONYMOUSNFno factor TF: 72-73
2008-12-31Mark FijiNFno factor TF: 71-72
2008-12-26Mark FijiNFno factor TF: 70-71
2008-12-18Mark FijiNFno factor TF: 69-70
2008-12-10Team_InspectorNFno factor TF: 68-69