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
41559563TF
No factors below 274
TF target 272
P-1
B1 = 480000
B2 = 9997500
LL
StatusDateUserResidueShift
Verified2009-08-05curtiscA928EF7FA9CB7EEF25475569
Verified2017-07-28Sergey NosovA928EF7FA9CB7EEF27314798
History
DateUserTypeResult
2020-01-04-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-04-Anonymous-NF
no factor from 2^72 to 2^73
2017-07-28Sergey NosovC-LL
A928EF7FA9CB7EEF
2015-09-01AirSquirrelsNF
no factor from 2^71 to 2^72
2015-01-27LaurVNF
no factor from 2^70 to 2^71
2015-01-01chalsallNF
no factor from 2^69 to 2^70
2009-08-05curtiscC-LL
A928EF7FA9CB7EEF