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
44328239Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 272
P-1
B1 = 750000
B2 = 750000
LL
StatusDateUserResidueShift
Verified2011-10-12unconnectedD479A53BF2EEFB8C31565268
Verified2017-03-12Patrick HarrenD479A53BF2EEFB8C3804873
History
DateUserTypeResult
2022-04-10TheJudgerNF
no factor from 2^73 to 2^74
2022-04-10TheJudgerNF
no factor from 2^72 to 2^73
2017-03-12Patrick HarrenC-LL
D479A53BF2EEFB8C
2015-10-02-Anonymous-NF
no factor from 2^71 to 2^72
2015-10-02-Anonymous-NF
no factor from 2^70 to 2^71
2015-08-21Architects CubedNF
no factor from 2^69 to 2^70
2014-03-08Torben K.NF
no factor from 2^68 to 2^69
2011-10-12unconnectedC-LL
D479A53BF2EEFB8C
2010-05-06-Anonymous-NF-PM1
B1=750000