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
332321261
Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
No factors below 281
TF target 281
P-1
B1 = 2690000
B2 = 63887500
LL
StatusDateUserResidueShiftSoftware
Unverified2016-06-20aurashift143E2352555CEB__64313615Linux 64-bit,Prime95,v28.9,build 2
History
DateUserTypeResult
2024-02-15Grant McCrackenNFno factor TF: 68-69
2023-10-18James HeinrichNFno factor TF: 67-68
2023-02-26Mark RoseNFno factor TF: 80-81
2016-06-20aurashiftC-LL143E2352555CEB__
2016-04-29aurashiftNF-PM1B1=2690000, B2=63887500, E=12
2016-04-08dh1NFno factor TF: 79-80
2016-04-08dh1NFno factor TF: 78-79
2016-04-08dh1NFno factor TF: 77-78
2016-04-08dh1NFno factor TF: 76-77
2016-02-11Team_InspectorNFno factor TF: 75-76
2015-04-30Team_InspectorNFno factor TF: 74-75
2013-11-01Team_InspectorNFno factor TF: 73-74
2013-01-17LaurVNFno factor TF: 72-73
2012-05-20Grant McCrackenNFno factor TF: 71-72
2011-05-09Grant McCrackenNFno factor TF: 70-71
2010-07-01Grant McCrackenNFno factor TF: 69-70
2009-09-10Team_InspectorNFno factor TF: 68-69