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
49840433Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 273
P-1
B1 = 550000
B2 = 12925000
LL
StatusDateUserResidueShift
Verified2013-01-12Amazon EC2D69DD9FAB34A0A8310833122
Verified2019-09-30Smok_bmv D69DD9FAB34A0A836508073
History
DateUserTypeResult
2019-12-15Sid & AndyNF
no factor from 2^74 to 2^75
2019-09-30Smok_bmv C-LL
D69DD9FAB34A0A83
2019-07-06-Anonymous-NF
no factor from 2^73 to 2^74
2013-01-12Amazon EC2C-LL
D69DD9FAB34A0A83
2012-03-14ANONYMOUSNF
no factor from 2^72 to 2^73
2012-01-01Roy OswaldNF
no factor from 2^71 to 2^72
2012-01-01Roy OswaldNF
no factor from 2^70 to 2^71
2011-05-12Jens PedersenNF-PM1
B1=550000, B2=12925000