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
39171799TF
No factors below 273
TF target 272
P-1
B1 = 350000
B2 = 1750000
LL
StatusDateUserResidueShift
Verified2009-09-30-Anonymous-DBF47009E3B2575116445326
Verified2015-08-07Klaus NordmannDBF47009E3B2575114039955
History
DateUserTypeResult
2022-05-30RichD0NF
no factor from 2^72 to 2^73
2019-06-28monstNF
no factor from 2^71 to 2^72
2015-08-07Klaus NordmannC-LL
DBF47009E3B25751
2014-12-21XyzzyNF
no factor from 2^70 to 2^71
2014-12-21XyzzyNF
no factor from 2^69 to 2^70
2009-09-30-Anonymous-C-LL
DBF47009E3B25751
2009-08-23-Anonymous-NF-PM1
B1=350000, B2=1750000