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
44265349Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 272
P-1
B1 = 530000
B2 = 13382500
LL
StatusDateUserResidueShift
Verified2009-05-29lindedB0B5F2BFB4916D2C7389362
Verified2017-09-30Evgeniy ZavialovB0B5F2BFB4916D2C13034119
History
DateUserTypeResult
2018-04-28Random GPUsNF
no factor from 2^72 to 2^73
2017-09-30Evgeniy ZavialovC-LL
B0B5F2BFB4916D2C
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
2015-06-23David CampeauNF
no factor from 2^69 to 2^70
2014-03-02LaurVNF
no factor from 2^68 to 2^69
2009-05-29lindedC-LL
B0B5F2BFB4916D2C
2009-04-13lindedNF-PM1
B1=530000, B2=13382500