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
44693167Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 272
P-1
B1 = 540000
B2 = 14985000
LL
StatusDateUserResidueShift
Verified2009-05-16lindedF7A43E146B61A20011607761
Verified2016-02-07Dody MollyF7A43E146B61A20016718164
History
DateUserTypeResult
2024-06-20James HeinrichNF
no factor from 2^69 to 2^70
2020-12-03Sid & AndyNF
no factor from 2^74 to 2^75
2019-12-21-Anonymous-NF
no factor from 2^73 to 2^74
2018-08-04-Anonymous-NF
no factor from 2^72 to 2^73
2016-02-07Dody MollyC-LL
F7A43E146B61A200
2015-10-16-Anonymous-NF
no factor from 2^71 to 2^72
2015-09-26XZTNF
no factor from 2^70 to 2^71
2015-07-23Carsten KossendeyNF
no factor from 2^69 to 2^70
2014-06-30NRNF
no factor from 2^68 to 2^69
2009-05-16lindedC-LL
F7A43E146B61A200
2009-04-18lindedNF-PM1
B1=540000, B2=14985000, E=6