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
332290429
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 281
TF target 281
P-1
B1 = 2185000
B2 = 19118750
LL
StatusDateUserResidueShiftSoftware
Unverified2017-11-22Mark CoccimiglioFA931137A7BEBC__111377144Linux 64-bit,Prime95,v28.5,build 2
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2017-11-22Mark CoccimiglioC-LLFA931137A7BEBC__
2017-05-16Mark CoccimiglioNF-PM1B1=2185000, B2=19118750
2016-06-19dh1NFno factor TF: 80-81
2016-06-19dh1NFno factor TF: 79-80
2016-06-19dh1NFno factor TF: 78-79
2016-06-19dh1NFno factor TF: 77-78
2016-01-14Grant McCrackenNFno factor TF: 76-77
2013-04-02Team_InspectorNFno factor TF: 75-76
2013-03-27Team_InspectorNFno factor TF: 74-75
2013-03-24Team_InspectorNFno factor TF: 73-74
2013-01-12LaurVNFno factor TF: 72-73
2011-12-16Team_InspectorNFno factor TF: 71-72
2011-05-06Grant McCrackenNFno factor TF: 70-71
2009-12-25vats09NFno factor TF: 69-70
2009-06-27Team_InspectorNFno factor TF: 68-69