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
55245227TF
No factors below 274
TF target 273
P-1
B1 = 585000
B2 = 13162500
LL
StatusDateUserResidueShift
Bad2013-09-13ANONYMOUS49370C316731958528911355
Verified2014-08-21George Woltman4DE0110C0F37E0DC43784316
Verified2016-02-18MadPoo4DE0110C0F37E0DC22917207
History
DateUserTypeResult
2021-11-21LordJuliusNF
no factor from 2^73 to 2^74
2016-02-18MadPooC-LL
4DE0110C0F37E0DC
2014-08-21George WoltmanC-LL
4DE0110C0F37E0DC
2014-01-18ktonyNF
no factor from 2^72 to 2^73
2013-09-13ANONYMOUSC-LL
49370C3167319585
2012-05-24Kevin JagetNF
no factor from 2^71 to 2^72
2012-03-19pshafferNF-PM1
B1=585000, B2=13162500, E=6
2011-06-13shaugeNF
no factor from 2^70 to 2^71
2011-06-13shaugeNF
no factor from 2^69 to 2^70
2011-04-08drewha - BelarusNF
no factor from 2^68 to 2^69
2009-05-19Remote009NF
no factor from 2^67 to 2^68
2009-02-15-Anonymous-NF
no factor from 2^66 to 2^67
2009-02-13-Anonymous-NF
no factor from 2^65 to 2^66
2009-01-06Sturle SundeNF
no factor from 2^64 to 2^65
2008-10-14-Anonymous-NF
no factor to 2^64