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
332288191
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 281
TF target 281
P-1
B1 = 2590000
B2 = 51152500
LL
StatusDateUserResidueShiftSoftware
Unverified2021-01-12Steve SybesmaB5AC498E4F6E5C__185336890Mac OS X 64-bit,Prime95,v29.8,build 7
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2021-01-12Steve SybesmaC-LLB5AC498E4F6E5C__
2016-07-10Mark CoccimiglioNF-PM1B1=2590000, B2=51152500
2016-06-09dh1NFno factor TF: 80-81
2016-06-09dh1NFno factor TF: 79-80
2016-06-09dh1NFno factor TF: 78-79
2016-06-09dh1NFno factor TF: 77-78
2016-06-09dh1NFno factor TF: 76-77
2015-07-13Team_InspectorNFno factor TF: 75-76
2014-10-27Team_InspectorNFno factor TF: 74-75
2014-07-28Team_InspectorNFno factor TF: 73-74
2011-05-22Christian GeschwentnerNFno factor TF: 72-73
2011-05-04Grant McCrackenNFno factor TF: 71-72
2011-04-03Grant McCrackenNFno factor TF: 70-71
2010-06-10SunfishNFno factor TF: 69-70
2009-08-07Team_InspectorNFno factor TF: 68-69