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
33604889
Composite: proven not-prime with Lucas-Lehmer test
No factors below 274
TF target 271
P-1
B1 = 213000
B2 = 152924310
LL
StatusDateUserResidueShiftSoftware
Verified2008-01-15Ars Technica Team Prime Rib9599C5BF48D684B812839035Windows,Prime95,v24 final,(aka Wc1)
Verified2014-09-181997rj79599C5BF48D684B818285491Windows,Prime95,v26,(aka We1)
History
DateUserTypeResult
2024-11-03tscNF-PM1B1=213000, B2=152924310
2024-05-21James HeinrichNFno factor TF: 68-69
2020-04-19-anonymous-NFno factor TF: 73-74
2019-12-26-anonymous-NFno factor TF: 71-72
2019-12-26-anonymous-NFno factor TF: 72-73
2014-09-181997rj7C-LL
9599C5BF48D684B8
2013-05-13kdgehmanNFno factor TF: 70-71
2013-05-13kdgehmanNFno factor TF: 69-70
2012-12-16Carsten KossendeyNFno factor TF: 68-69
2008-01-15Team Prime RibC-LL
9599C5BF48D684B8
2003-08-08-anonymous-NFno factor TF: 1-68