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
42061559TF
No factors below 273
TF target 272
P-1
B1 = 495000
B2 = 11013750
LL
StatusDateUserResidueShift
Verified2008-04-25Carl MikkelsenD7E902DD15CD715529601505
Verified2017-09-20Sergey NosovD7E902DD15CD715517842228
History
DateUserTypeResult
2020-04-07Sid & AndyNF
no factor from 2^72 to 2^73
2017-09-20Sergey NosovC-LL
D7E902DD15CD7155
2015-08-25-Anonymous-NF
no factor from 2^71 to 2^72
2015-02-28Mark RoseNF
no factor from 2^70 to 2^71
2015-01-17chalsallNF
no factor from 2^69 to 2^70
2014-03-03LaurVNF
no factor from 2^68 to 2^69