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
48876103Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 273
P-1
B1 = 565000
B2 = 14407500
LL
StatusDateUserResidueShift
Verified2012-07-27curtisc76D43C79660BFD3C45951107
Verified2018-05-06Nazarov Mikhail76D43C79660BFD3C20191944
History
DateUserTypeResult
2018-05-06Nazarov MikhailC-LL
76D43C79660BFD3C
2017-09-08-Anonymous-NF
no factor from 2^72 to 2^73
2012-07-27curtiscC-LL
76D43C79660BFD3C
2011-12-25LaurVNF
no factor from 2^71 to 2^72
2011-12-25LaurVNF
no factor from 2^70 to 2^71
2011-12-24Craig MeyersNF
no factor from 2^69 to 2^70
2010-10-15PrestoneNF-PM1
B1=565000, B2=14407500