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
62486773Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 274
P-1
B1 = 560000
B2 = 11060000
LL
StatusDateUserResidueShift
Verified2013-07-18Youcef L47BAC6E825E4BBB615514977
Verified2022-11-01Tsarev Yuriy47BAC6E825E4BBB652826047
History
DateUserTypeResult
2022-11-01Tsarev YuriyC-LL
47BAC6E825E4BBB6
2016-02-23Mark RoseNF
no factor from 2^59 to 2^63
2013-07-18Youcef LC-LL
47BAC6E825E4BBB6
2013-07-01TheJudgerNF-PM1
B1=560000, B2=11060000, E=12
2013-06-03ChuckNF
no factor from 2^73 to 2^74
2013-03-22Son JohanNF
no factor from 2^72 to 2^73
2013-03-22Son JohanNF
no factor from 2^71 to 2^72
2012-09-04Bold_SeekerNF
no factor from 2^70 to 2^71
2011-12-14-Anonymous-NF
no factor from 2^69 to 2^70
2009-08-07FCG PrimesNF
no factor from 2^68 to 2^69
2009-03-14raymondfNF
no factor from 2^67 to 2^68
2009-03-13CJPageNF
no factor from 2^66 to 2^67
2009-03-08arnaudNF
no factor from 2^65 to 2^66
2009-03-08kkitzhaberNF
no factor from 2^64 to 2^65
2009-01-08DerekNF
no factor from 2^63 to 2^64