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
55861583TF
No factors below 274
TF target 273
P-1
B1 = 665000
B2 = 19950000
LL
StatusDateUserResidueShift
Verified2014-11-23he4var55D6FAA6B45D921E41247337
Verified2021-02-07Dmitriy Degtiarev55D6FAA6B45D921E12716729
History
DateUserTypeResult
2021-02-07Dmitriy DegtiarevC-LL
55D6FAA6B45D921E
2014-11-23he4varC-LL
55D6FAA6B45D921E
2014-08-16Mark RoseNF
no factor from 2^73 to 2^74
2014-04-26NickOfTimeNF
no factor from 2^72 to 2^73
2011-09-24kdgehmanNF-PM1
B1=665000, B2=19950000, E=6
2011-08-14kdgehmanNF
no factor from 2^71 to 2^72
2011-08-14kdgehmanNF
no factor from 2^70 to 2^71
2011-03-24kdgehmanNF
no factor from 2^69 to 2^70
2011-03-24kdgehmanNF
no factor from 2^68 to 2^69
2009-12-06arnaudNF
no factor from 2^67 to 2^68
2009-11-30arnaudNF
no factor from 2^66 to 2^67
2009-11-25arnaudNF
no factor from 2^65 to 2^66
2009-11-20arnaudNF
no factor from 2^64 to 2^65
2008-12-011997rj7NF
no factor to 2^64