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
49263719Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 273
P-1
B1 = 785000
B2 = 785000
LL
StatusDateUserResidueShift
Bad2011-06-04LLLE4672A38CB4C26B38258536
Verified2018-08-03Dax MickelsonF39ED9D090A63D8D10564968
Verified2018-12-25kkmrkkblmbrbkF39ED9D090A63D8D17910290
History
DateUserTypeResult
2018-12-25kkmrkkblmbrbkC-LL
F39ED9D090A63D8D
2018-08-03Dax MickelsonC-LL
F39ED9D090A63D8D
2017-09-17-Anonymous-NF
no factor from 2^72 to 2^73
2015-12-27AirSquirrelsNF
no factor from 2^71 to 2^72
2015-12-27AirSquirrelsNF
no factor from 2^70 to 2^71
2011-06-04LLLC-LL
E4672A38CB4C26B3
2011-01-05LLLNF
no factor to 2^70
2010-01-21-Anonymous-NF-PM1
B1=785000
2008-06-03-Anonymous-NF
no factor to 2^64