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
42248803TF
No factors below 273
TF target 272
P-1
B1 = 510000
B2 = 14280000
LL
StatusDateUserResidueShift
Verified2009-06-28mike_dEF449CBA255E84673734715
Verified2016-05-29ChavdarLalovEF449CBA255E846710263154
History
DateUserTypeResult
2022-04-17RichD0NF
no factor from 2^72 to 2^73
2016-05-29ChavdarLalovC-LL
EF449CBA255E8467
2015-09-16AirSquirrelsNF
no factor from 2^71 to 2^72
2015-03-06NickOfTimeNF
no factor from 2^70 to 2^71
2015-01-221997rj7NF
no factor from 2^69 to 2^70
2014-03-05LaurVNF
no factor from 2^68 to 2^69
2009-06-28mike_dC-LL
EF449CBA255E8467
2009-05-17mike_dNF-PM1
B1=510000, B2=14280000