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
332265481
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 281
TF target 281
P-1
B1 = 2955000
B2 = 56883750
LL
StatusDateUserResidueShiftSoftware
Unverified2017-09-12Mark Coccimiglio1946D5E9DCE47D__260752240Linux 64-bit,Prime95,v28.10,build 1
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2023-02-22Mark RoseNFno factor TF: 80-81
2023-02-22Mark RoseNFno factor TF: 79-80
2023-02-22Mark RoseNFno factor TF: 78-79
2021-05-21Random GPUsNFno factor TF: 77-78
2017-09-12Mark CoccimiglioC-LL1946D5E9DCE47D__
2017-05-06Mark CoccimiglioNF-PM1B1=2955000, B2=56883750
2016-06-09Team_InspectorNFno factor TF: 76-77
2015-03-07Team_InspectorNFno factor TF: 75-76
2013-01-11LaurVNFno factor TF: 74-75
2012-03-12Team_InspectorNFno factor TF: 73-74
2011-08-01Team_InspectorNFno factor TF: 72-73
2011-07-29Team_InspectorNFno factor TF: 71-72
2011-05-27Grant McCrackenNFno factor TF: 70-71
2009-12-01Team_InspectorNFno factor TF: 69-70
2009-06-06Team_InspectorNFno factor TF: 68-69