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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
74416427Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 276
TF target 274
P-1
B1 = 740000
B2 = 16650000
LL
StatusDateUserResidueShift
Verified2016-09-24SalVi5822A79757EFC0860
Verified2024-11-28James Heinrich5822A79757EFC08657595108
History
DateUserTypeResult
2024-11-28James HeinrichC-LL
5822A79757EFC086
2024-11-23James HeinrichNF
no factor from 2^75 to 2^76
2016-09-24SalViC-LL
5822A79757EFC086
2016-07-08-Anonymous-NF
no factor from 2^74 to 2^75
2016-03-29Judge HaleNF
no factor from 2^73 to 2^74
2015-08-23TheJudgerNF-PM1
B1=740000, B2=16650000, E=12
2015-08-13BdotNF
no factor from 2^72 to 2^73
2015-08-13BdotNF
no factor from 2^71 to 2^72
2013-08-11NoWhereManNF
no factor from 2^70 to 2^71
2012-10-24SMoffatNF
no factor from 2^69 to 2^70
2011-01-28MclighterNF
no factor from 2^68 to 2^69
2010-12-22MarzbugNF
no factor from 2^67 to 2^68
2010-12-17seekuaNF
no factor from 2^66 to 2^67
2010-12-11ClusteryteNF
no factor from 2^65 to 2^66
2010-11-09MarzbugNF
no factor from 2^64 to 2^65
2008-09-12lycornNF
no factor to 2^64