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
42720427TF
No factors below 273
TF target 272
P-1
B1 = 475000
B2 = 7006250
LL
StatusDateUserResidueShift
Verified2009-07-20arnaud572F288D6C9F7A4C33287862
Verified2016-10-14Evgeniy Zavialov572F288D6C9F7A4C32581181
History
DateUserTypeResult
2018-12-26Sid & AndyNF
no factor from 2^72 to 2^73
2016-10-14Evgeniy ZavialovC-LL
572F288D6C9F7A4C
2015-09-02-Anonymous-NF
no factor from 2^71 to 2^72
2015-04-07Mark RoseNF
no factor from 2^70 to 2^71
2014-09-08Grant McCrackenNF
no factor from 2^69 to 2^70
2014-03-09LaurVNF
no factor from 2^68 to 2^69
2009-07-20arnaudC-LL
572F288D6C9F7A4C
2009-06-21arnaudNF-PM1
B1=475000, B2=7006250