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
41803921TF
No factors below 274
TF target 272
P-1
B1 = 495000
B2 = 12127500
LL
StatusDateUserResidueShift
Verified2008-03-05Hans-Ove FrimodigF09054CCF85C51C339351650
Verified2017-11-20Evgeniy ZavialovF09054CCF85C51C315764673
History
DateUserTypeResult
2020-01-10-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-05-Anonymous-NF
no factor from 2^72 to 2^73
2017-11-20Evgeniy ZavialovC-LL
F09054CCF85C51C3
2015-10-01AirSquirrelsNF
no factor from 2^71 to 2^72
2015-02-13Mark RoseNF
no factor from 2^70 to 2^71
2015-01-28Mark RoseNF
no factor from 2^69 to 2^70
2014-02-24LaurVNF
no factor from 2^68 to 2^69