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
332226569
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 281
TF target 281
P-1
B1 = 2965000
B2 = 78572500
LL
StatusDateUserResidueShiftSoftware
Unverified2018-06-08Michel YamagishiAED164F1109421__167849719Windows 64-bit,Prime95,v29.4,build 8
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2023-02-20Mark RoseNFno factor TF: 80-81
2023-02-20Mark RoseNFno factor TF: 79-80
2023-02-20Mark RoseNFno factor TF: 78-79
2018-06-08Michel YamagishiC-LLAED164F1109421__
2016-10-09Michel YamagishiNF-PM1B1=2965000, B2=78572500
2016-07-27Mark RoseNFno factor TF: 77-78
2015-12-14Grant McCrackenNFno factor TF: 76-77
2010-12-13-anonymous-NFno factor TF: 75-76
2010-06-17schreiterNFno factor TF: 74-75
2010-06-17schreiterNFno factor TF: 73-74
2010-02-05TydusNFno factor TF: 72-73
2010-01-06Team_InspectorNFno factor TF: 71-72
2010-01-05Team_InspectorNFno factor TF: 70-71
2009-11-07Team_InspectorNFno factor TF: 69-70
2008-12-28Team_InspectorNFno factor TF: 68-69