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
42061939TF
No factors below 273
TF target 272
P-1
B1 = 495000
B2 = 12127500
LL
StatusDateUserResidueShift
Verified2009-02-26Ghetto_ChildD6B65608F13AE07F14286517
Verified2017-09-22Sergey NosovD6B65608F13AE07F31283610
History
DateUserTypeResult
2020-04-07Sid & AndyNF
no factor from 2^72 to 2^73
2017-09-22Sergey NosovC-LL
D6B65608F13AE07F
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
2013-12-14Torben K.NF
no factor from 2^68 to 2^69
2009-02-26Ghetto_ChildC-LL
D6B65608F13AE07F