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
64121513TF
No factors below 274
TF target 274
P-1
B1 = 575000
B2 = 11500000
LL
StatusDateUserResidueShift
Verified2013-09-02FCG Primes4CDF642303FC93AE29718206
Verified2021-11-07Conductor4CDF642303FC93AE9123081
History
DateUserTypeResult
2021-11-07ConductorC-LL
4CDF642303FC93AE
2016-02-23Mark RoseNF
no factor from 2^60 to 2^63
2013-09-02FCG PrimesC-LL
4CDF642303FC93AE
2013-07-01TheJudgerNF-PM1
B1=575000, B2=11500000, E=12
2013-04-23Jerry HallettNF
no factor from 2^73 to 2^74
2013-04-22Jerry HallettNF
no factor from 2^72 to 2^73
2013-04-22Jerry HallettNF
no factor from 2^71 to 2^72
2013-04-22Jerry HallettNF
no factor from 2^70 to 2^71
2012-01-26america64NF
no factor from 2^69 to 2^70
2010-08-05ANONYMOUSNF
no factor from 2^68 to 2^69
2009-10-04-Anonymous-NF
no factor from 2^67 to 2^68
2009-10-04-Anonymous-NF
no factor from 2^66 to 2^67
2009-05-04ctenzerNF
no factor from 2^65 to 2^66
2009-04-06-Anonymous-NF
no factor from 2^64 to 2^65
2009-03-25-Anonymous-NF
no factor from 2^63 to 2^64