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
51906229TF
No factors below 273
TF target 273
P-1
B1 = 505000
B2 = 10226250
LL
StatusDateUserResidueShift
Verified2012-10-10curtisc6B0D6C3DCEA2FD6D51611170
Verified2019-03-20alex6B0D6C3DCEA2FD6D12617063
History
DateUserTypeResult
2019-03-20alexC-LL
6B0D6C3DCEA2FD6D
2016-02-23Mark RoseNF
no factor from 2^60 to 2^63
2016-01-11AirSquirrelsNF
no factor from 2^72 to 2^73
2012-10-10curtiscC-LL
6B0D6C3DCEA2FD6D
2012-01-04Tim SorberaNF-PM1
B1=505000, B2=10226250, E=6
2011-11-29XyzzyNF
no factor from 2^71 to 2^72
2011-11-29XyzzyNF
no factor from 2^70 to 2^71
2011-11-22BdotNF
no factor from 2^69 to 2^70
2010-03-22klajokNF
no factor from 2^68 to 2^69
2009-04-20Gordon BowerNF
no factor from 2^67 to 2^68
2009-04-05jfarekNF
no factor from 2^66 to 2^67
2009-04-03-Anonymous-NF
no factor from 2^65 to 2^66
2009-04-03-Anonymous-NF
no factor from 2^64 to 2^65
2009-04-03-Anonymous-NF
no factor from 2^63 to 2^64