Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
39071449TF
No factors below 273
TF target 272
P-1
B1 = 205000
B2 = 3997500
LL
StatusDateUserResidueShift
Verified2008-03-22Krchnak Jozef9CDD499B0BEB183E35012820
Verified2015-05-25-Anonymous-9CDD499B0BEB183E3853401
History
DateUserTypeResult
2019-10-11-Anonymous-NF
no factor from 2^72 to 2^73
2019-06-02monstNF
no factor from 2^71 to 2^72
2015-05-25-Anonymous-C-LL
9CDD499B0BEB183E
2014-11-19ktonyNF
no factor from 2^70 to 2^71
2014-11-19ktonyNF
no factor from 2^69 to 2^70
2010-06-18Carsten KossendeyNF-PM1
B1=205000, B2=3997500, E=6