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
50846119Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 273
P-1
B1 = 600000
B2 = 17250000
LL
StatusDateUserResidueShift
Verified2011-10-28curtisc3CAD822F89FE037F22140652
Verified2020-03-26Sergey Nosov3CAD822F89FE037F4033607
History
DateUserTypeResult
2020-03-26Sergey NosovC-LL
3CAD822F89FE037F
2018-11-12Mark RoseNF
no factor from 2^73 to 2^74
2015-12-22AirSquirrelsNF
no factor from 2^72 to 2^73
2015-11-23Judge HaleNF
no factor from 2^71 to 2^72
2015-05-26Mark RoseNF
no factor from 2^70 to 2^71
2015-01-23monstNF
no factor from 2^69 to 2^70
2011-10-28curtiscC-LL
3CAD822F89FE037F
2009-06-29-Anonymous-NF
no factor from 2^68 to 2^69
2009-06-23Patrik JohanssonNF-PM1
B1=600000, B2=17250000
2009-06-16-Anonymous-NF
no factor from 2^67 to 2^68
2008-11-30James HintzNF
no factor from 2^66 to 2^67
2008-11-28James HintzNF
no factor from 2^65 to 2^66
2008-11-27James HintzNF
no factor from 2^64 to 2^65
2008-09-17DerekNF
no factor to 2^64