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
332219809
Composite: proven not-prime with Lucas-Lehmer test
No factors below 281
TF target 281
P-1
B1 = 2990000
B2 = 76992500
LL
StatusDateUserResidueShiftSoftware
Verified2015-08-13NRCB0BAB016EB18C31232523599Windows 64-bit,Prime95,v28.5,build 2
Verified2015-10-19LaurVCB0BAB016EB18C31166125866CUDALucas v2.05.1
History
DateUserTypeResult
2023-10-18James HeinrichNFno factor TF: 67-68
2015-10-19LaurVC-LLCB0BAB016EB18C31
2015-08-13NRC-LLCB0BAB016EB18C31
2015-03-13NRNFno factor TF: 80-81
2015-03-10NRNFno factor TF: 79-80
2013-12-25NoPolarBearsHereNF-PM1B1=2990000, B2=76992500, E=4
2011-02-07amphoriaNFno factor TF: 78-79
2011-02-07amphoriaNFno factor TF: 77-78
2011-02-07amphoriaNFno factor TF: 76-77
2011-02-07amphoriaNFno factor TF: 75-76
2011-02-07amphoriaNFno factor TF: 74-75
2008-12-18KahnTXNFno factor TF: 73-74
2008-12-15KahnTXNFno factor TF: 72-73
2008-12-13KahnTXNFno factor TF: 71-72
2008-12-12KahnTXNFno factor TF: 70-71
2008-12-12KahnTXNFno factor TF: 69-70
2008-12-08Team_InspectorNFno factor TF: 68-69