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
43897411TF
No factors below 274
TF target 272
P-1
B1 = 505000
B2 = 12751250
LL
StatusDateUserResidueShift
Verified2009-05-21leopoldo79BD300C31C3779835305171
Bad2016-08-04-Anonymous-6ED0FE81753B1ADF6208675
Verified2016-08-15Mikhail E. Golosov79BD300C31C3779834279679
History
DateUserTypeResult
2019-02-26Sid & AndyNF
no factor from 2^73 to 2^74
2018-08-01-Anonymous-NF
no factor from 2^72 to 2^73
2016-08-15Mikhail E. GolosovC-LL
79BD300C31C37798
2016-08-04-Anonymous-C-LL
6ED0FE81753B1ADF
2015-10-16-Anonymous-NF
no factor from 2^71 to 2^72
2015-09-13Mark RoseNF
no factor from 2^70 to 2^71
2015-04-19el groccoNF
no factor from 2^69 to 2^70
2011-06-14James HeinrichNF-PM1
B1=505000, B2=12751250, E=12
2009-05-21leopoldoC-LL
79BD300C31C37798