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:










MnStatusDetails
61861883TF
No factors below 275
TF target 274
P-1
B1 = 625000
B2 = 16250000
LL
StatusDateUserResidueShift
Verified2014-01-07-Anonymous-880B575BE3163CCD43516239
Verified2022-06-12Denis Porva880B575BE3163CCD35039010
History
DateUserTypeResult
2022-06-12Denis PorvaC-LL
880B575BE3163CCD
2020-12-21Richard ThomasNF
no factor from 2^74 to 2^75
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2014-01-07-Anonymous-C-LL
880B575BE3163CCD
2013-06-16The MawnNF
no factor from 2^73 to 2^74
2012-06-13kdgehmanNF-PM1
B1=625000, B2=16250000, E=6
2012-05-14kdgehmanNF
no factor from 2^72 to 2^73
2012-05-14kdgehmanNF
no factor from 2^71 to 2^72
2012-03-25kdgehmanNF
no factor from 2^70 to 2^71
2012-03-25kdgehmanNF
no factor from 2^69 to 2^70
2009-07-28Sturle SundeNF
no factor from 2^68 to 2^69
2009-07-27unconnectedNF
no factor from 2^67 to 2^68
2009-07-26-Anonymous-NF
no factor from 2^66 to 2^67
2009-07-22-Anonymous-NF
no factor from 2^65 to 2^66
2009-04-16sannerud.comNF
no factor from 2^64 to 2^65
2009-04-11chocnutNF
no factor from 2^63 to 2^64