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
48180151Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 272
P-1
B1 = 555000
B2 = 13181250
LL
StatusDateUserResidueShift
Verified2010-05-01-Anonymous-84F834145F69F40644248015
Verified2018-02-25azouts84F834145F69F40632206206
History
DateUserTypeResult
2024-08-16tbusbyNF
no factor from 2^69 to 2^70
2018-02-25azoutsC-LL
84F834145F69F406
2017-12-25Mark RoseNF
no factor from 2^72 to 2^73
2016-02-23Mark RoseNF
no factor from 2^62 to 2^64
2015-12-04-Anonymous-NF
no factor from 2^71 to 2^72
2015-10-10Sid & AndyNF
no factor from 2^70 to 2^71
2015-07-22Architects CubedNF
no factor from 2^69 to 2^70
2010-05-01-Anonymous-C-LL
84F834145F69F406
2010-03-09-Anonymous-NF-PM1
B1=555000, B2=13181250