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
43898507TF
No factors below 274
TF target 272
P-1
B1 = 500000
B2 = 9125000
LL
StatusDateUserResidueShift
Verified2009-04-12Nick ThorpeB1F557133C37BB6A6373523
Verified2018-01-21Sergey NosovB1F557133C37BB6A25181020
History
DateUserTypeResult
2019-02-24Sid & AndyNF
no factor from 2^73 to 2^74
2018-08-02-Anonymous-NF
no factor from 2^72 to 2^73
2018-01-21Sergey NosovC-LL
B1F557133C37BB6A
2015-10-16-Anonymous-NF
no factor from 2^71 to 2^72
2015-09-15David CampeauNF
no factor from 2^70 to 2^71
2015-04-22LaurVNF
no factor from 2^69 to 2^70
2014-04-27Stef42NF
no factor from 2^68 to 2^69
2009-04-12Nick ThorpeC-LL
B1F557133C37BB6A
2009-03-27Nick ThorpeNF-PM1
B1=500000, B2=9125000