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
42548189TF
No factors below 273
TF target 272
P-1
B1 = 515000
B2 = 14806250
LL
StatusDateUserResidueShift
Verified2009-07-05MCAS12FF563BCC69343034283642
Verified2017-11-05Sergey Nosov12FF563BCC69343021340305
History
DateUserTypeResult
2020-06-01Sid & AndyNF
no factor from 2^72 to 2^73
2017-11-05Sergey NosovC-LL
12FF563BCC693430
2015-08-28-Anonymous-NF
no factor from 2^71 to 2^72
2015-04-03Mark RoseNF
no factor from 2^70 to 2^71
2015-02-03HBendtzNF
no factor from 2^69 to 2^70
2014-03-07LaurVNF
no factor from 2^68 to 2^69
2009-07-05MCASC-LL
12FF563BCC693430
2009-05-20MCASNF-PM1
B1=515000, B2=14806250