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
332262277
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 281
TF target 281
P-1
B1 = 2860000
B2 = 75075000
LL
StatusDateUserResidueShiftSoftware
Unverified2017-06-03aurashift4D363FFD1564C3__200809416Linux 64-bit,Prime95,v29.1,build 8
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
2017-06-03aurashiftC-LL4D363FFD1564C3__
2017-04-18aurashiftNF-PM1B1=2860000, B2=75075000, E=12
2013-12-25Bill StaffenNFno factor TF: 78-79
2013-12-04Bill StaffenNFno factor TF: 77-78
2013-10-27Bill StaffenNFno factor TF: 76-77
2013-10-23Bill StaffenNFno factor TF: 75-76
2013-06-02Team_InspectorNFno factor TF: 74-75
2011-06-27Christian GeschwentnerNFno factor TF: 73-74
2011-06-20Christian GeschwentnerNFno factor TF: 72-73
2011-05-03Christian GeschwentnerNFno factor TF: 71-72
2009-10-02Team_InspectorNFno factor TF: 70-71
2009-10-01Team_InspectorNFno factor TF: 69-70
2009-05-21Team_InspectorNFno factor TF: 68-69