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
52558343TF
No factors below 273
TF target 273
P-1
B1 = 855000
B2 = 855000
LL
StatusDateUserResidueShift
Verified2013-10-11McAlister21DB7DFCFCFD815025049137
Verified2019-06-01d3zorg21DB7DFCFCFD815015509393
History
DateUserTypeResult
2019-06-01d3zorgC-LL
21DB7DFCFCFD8150
2016-02-11AirSquirrelsNF
no factor from 2^72 to 2^73
2013-10-11McAlisterC-LL
21DB7DFCFCFD8150
2012-02-11Roy OswaldNF
no factor from 2^71 to 2^72
2011-11-28Tom DuellNF
no factor from 2^70 to 2^71
2011-11-17Tom DuellNF
no factor from 2^69 to 2^70
2011-07-06-Anonymous-NF-PM1
B1=855000
2010-03-27rickNF
no factor from 2^68 to 2^69
2009-04-27Dave MorfettNF
no factor from 2^67 to 2^68
2008-12-11Son JohanNF
no factor from 2^66 to 2^67
2008-12-10tmorrowNF
no factor from 2^65 to 2^66
2008-12-09oodairaNF
no factor from 2^64 to 2^65
2008-11-19DerekNF
no factor to 2^64