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
55588031TF
No factors below 274
TF target 273
P-1
B1 = 550000
B2 = 11962500
LL
StatusDateUserResidueShift
Verified2012-08-07Albert Pettersson47CB926ED1FC885B29285513
Verified2020-10-13Smok_bmv 47CB926ED1FC885B54994131
History
DateUserTypeResult
2020-10-13Smok_bmv C-LL
47CB926ED1FC885B
2019-05-11ChuckNF
no factor from 2^73 to 2^74
2016-02-05-Anonymous-NF
no factor from 2^72 to 2^73
2012-08-07Albert PetterssonC-LL
47CB926ED1FC885B
2012-06-16Jerry HallettNF-PM1
B1=550000, B2=11962500, E=12
2012-06-12Kyle AskineNF
no factor from 2^71 to 2^72
2012-04-28XyzzyNF
no factor from 2^70 to 2^71
2011-05-31Tom DuellNF
no factor from 2^69 to 2^70
2011-04-08Ake TilanderNF
no factor from 2^68 to 2^69
2009-05-18NoWhereManNF
no factor from 2^67 to 2^68
2009-01-06Sturle SundeNF
no factor from 2^66 to 2^67
2009-01-05Sturle SundeNF
no factor from 2^65 to 2^66
2009-01-04Sturle SundeNF
no factor from 2^64 to 2^65
2008-07-28-Anonymous-NF
no factor to 2^64