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
55283083TF
No factors below 274
TF target 273
P-1
B1 = 550000
B2 = 11825000
LL
StatusDateUserResidueShift
Verified2013-05-03giorgio09778900373C5DFB46518083
Verified2020-09-07Smok_bmv 09778900373C5DFB39597871
History
DateUserTypeResult
2020-09-07Smok_bmv C-LL
09778900373C5DFB
2019-05-26TheJudgerNF
no factor from 2^73 to 2^74
2016-01-22-Anonymous-NF
no factor from 2^72 to 2^73
2013-05-03giorgioC-LL
09778900373C5DFB
2012-06-17TheJudgerNF-PM1
B1=550000, B2=11825000, E=12
2012-06-10XyzzyNF
no factor from 2^71 to 2^72
2011-06-17shaugeNF
no factor from 2^70 to 2^71
2011-06-17shaugeNF
no factor from 2^69 to 2^70
2009-01-24EPFNF
no factor to 2^69
2009-01-01LuftyNF
no factor from 2^64 to 2^65
2008-10-271997rj7NF
no factor to 2^64