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
71225533Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 645000
B2 = 12900000
LL
StatusDateUserResidueShift
Verified2017-02-19arnaud174F604CC1824E4D70831130
Verified2024-09-13Anakha_Unknown174F604CC1824E4D14178540
History
DateUserTypeResult
2024-09-13Anakha_UnknownC-LL
174F604CC1824E4D
2017-02-19arnaudC-LL
174F604CC1824E4D
2016-07-22-Anonymous-NF
no factor from 2^74 to 2^75
2015-01-11TheJudgerNF-PM1
B1=645000, B2=12900000, E=6
2015-01-01Kevin JagetNF
no factor from 2^73 to 2^74
2014-12-16BdotNF
no factor from 2^72 to 2^73
2014-11-01ixfd64NF
no factor from 2^71 to 2^72
2013-07-18Marius ZensNF
no factor from 2^70 to 2^71
2012-11-12S00030NF
no factor from 2^69 to 2^70
2010-08-14unconnectedNF
no factor from 2^68 to 2^69
2010-08-12trifNF
no factor from 2^67 to 2^68
2010-06-19RcTomcatNF
no factor from 2^66 to 2^67
2010-06-19alaendleNF
no factor from 2^65 to 2^66
2010-03-14BigBrotherNF
no factor from 2^64 to 2^65
2008-10-21Wojciech FlorekNF
no factor to 2^64