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
332218729
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 281
TF target 281
P-1
B1 = 3290000
B2 = 76492500
LL
StatusDateUserResidueShiftSoftware
Unverified2015-10-10Fredrik4A5AACB231592C__39478255Linux 64-bit,Prime95,v28.5,build 2
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2023-02-13Mark RoseNFno factor TF: 80-81
2015-10-10FredrikC-LL4A5AACB231592C__
2015-08-01FredrikNFno factor TF: 79-80
2015-07-29FredrikNFno factor TF: 78-79
2015-07-27NRNFno factor TF: 77-78
2015-07-27NRNFno factor TF: 76-77
2013-03-20Team_InspectorNF-PM1B1=3290000, B2=76492500
2011-11-27Christian GeschwentnerNFno factor TF: 75-76
2011-05-30SunfishNFno factor TF: 74-75
2010-09-04SunfishNFno factor TF: 73-74
2010-09-01SunfishNFno factor TF: 72-73
2009-11-19Team_InspectorNFno factor TF: 71-72
2009-03-06Matthew BilodeauNFno factor TF: 70-71
2009-02-20Matthew BilodeauNFno factor TF: 69-70
2008-12-03Team_InspectorNFno factor TF: 68-69