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
60008957Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 273
P-1
B1 = 2000000
B2 = 45000000
LL
StatusDateUserResidueShift
Verified2013-01-28curtisc70F15E941A39843E56041762
Verified2022-02-10tottenhoff70F15E941A39843E17236756
History
DateUserTypeResult
2022-02-10tottenhoffC-LL
70F15E941A39843E
2019-09-22mikrNF-PM1
B1=2000000, B2=45000000, E=6
2016-02-27AirSquirrelsNF
no factor from 2^73 to 2^74
2016-02-23Mark RoseNF
no factor from 2^53 to 2^63
2013-01-28curtiscC-LL
70F15E941A39843E
2012-11-09Tom DuellNF
no factor from 2^72 to 2^73
2012-04-16Tom DuellNF
no factor from 2^71 to 2^72
2012-04-16Tom DuellNF
no factor from 2^70 to 2^71
2011-07-20stefano.cNF
no factor from 2^69 to 2^70
2011-06-02Nathan EdingtonNF-PM1
B1=700000, B2=17675000
2009-09-16arnaudNF
no factor from 2^68 to 2^69
2009-07-12KYOJI_KAMEINF
no factor from 2^67 to 2^68
2009-07-07-Anonymous-NF
no factor from 2^66 to 2^67
2009-03-21-Anonymous-NF
no factor from 2^65 to 2^66
2008-11-24ctenzerNF
no factor from 2^64 to 2^65
2008-11-23tmorrowNF
no factor from 2^63 to 2^64