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
47221817TF
No factors below 273
TF target 272
P-1
B1 = 560000
B2 = 17360000
LL
StatusDateUserResidueShift
Verified2009-10-24MCAS2ACA083DA02342F429905980
Verified2017-12-16ky0uraku2ACA083DA02342F428371053
History
DateUserTypeResult
2017-12-16ky0urakuC-LL
2ACA083DA02342F4
2017-12-08Kevin JagetNF
no factor from 2^72 to 2^73
2016-02-23Mark RoseNF
no factor from 2^1 to 2^64
2015-12-02AirSquirrelsNF
no factor from 2^71 to 2^72
2015-12-02AirSquirrelsNF
no factor from 2^70 to 2^71
2015-08-24Bruno VictalNF
no factor from 2^69 to 2^70
2013-10-12VictordeHollanderNF
no factor from 2^68 to 2^69
2009-10-24MCASC-LL
2ACA083DA02342F4
2009-09-05MCASNF-PM1
B1=560000, B2=17360000