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
33824899
Composite: proven not-prime with Lucas-Lehmer test
No factors below 274
TF target 271
P-1
B1 = 395000
B2 = 9282500
LL
StatusDateUserResidueShiftSoftware
Verified2004-05-11Ars Technica Team Prime Rib8BFB9D5A96325AE44069745Linux 32-bit,Prime95,v23,(aka WZ2)
Verified2015-02-07Dubslow8BFB9D5A96325AE44615220Linux 64-bit,Prime95,v28.5,build 2
History
DateUserTypeResult
2020-03-01-anonymous-NFno factor TF: 73-74
2019-11-15-anonymous-NFno factor TF: 72-73
2019-11-15-anonymous-NFno factor TF: 71-72
2015-02-07DubslowC-LL
8BFB9D5A96325AE4
2013-02-11apsenNFno factor TF: 70-71
2013-01-20David CampeauNFno factor TF: 69-70
2012-11-29krackerNFno factor TF: 68-69
2004-05-11Team Prime RibC-LL
8BFB9D5A96325AE4
2004-03-01Team Prime RibNF-PM1B1=395000, B2=9282500
2004-03-01Team Prime RibNFno factor TF: 1-68