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
48025837Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 272
P-1
B1 = 750000
B2 = 750000
LL
StatusDateUserResidueShift
Verified2011-03-18Joe AbbeyBD4752A2356EBDBB19659517
Verified2019-04-30ynagataorgBD4752A2356EBDBB29643849
History
DateUserTypeResult
2019-04-30ynagataorgC-LL
BD4752A2356EBDBB
2017-12-10Mark RoseNF
no factor from 2^72 to 2^73
2016-02-23Mark RoseNF
no factor from 2^60 to 2^64
2015-12-09AirSquirrelsNF
no factor from 2^71 to 2^72
2015-12-09AirSquirrelsNF
no factor from 2^70 to 2^71
2015-08-30VictordeHollanderNF
no factor from 2^69 to 2^70
2011-03-18Joe AbbeyC-LL
BD4752A2356EBDBB
2010-09-04-Anonymous-NF-PM1
B1=750000