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
71446709Composite: proven not-prime with both PRP and Lucas-Lehmer tests
TF
No factors below 275
TF target 274
P-1
B1 = 660000
B2 = 13365000
LL
StatusDateUserResidueShift
Verified2017-03-17Kevin WishFFEFE413B22CC6E319336306
Verified2025-02-18antkhFFEFE413B22CC6E366964739
PRP
StatusDateUserResidueShiftTypeBase
Verified2025-02-21Lacni264F4C0B5BA8A3DA149820613
History
DateUserTypeResult
2025-02-21ANONYMOUSCERT
PRP Certification
CERT proof power = 9
Proof certified good
2025-02-21LacniC-PRP
264F4C0B5BA8A3DA
PRP proof power = 9
PRP: Verified
Proof certified good
2025-02-18antkhC-LL
FFEFE413B22CC6E3
2017-03-17Kevin WishC-LL
FFEFE413B22CC6E3
2016-07-18ktonyNF
no factor from 2^74 to 2^75
2015-03-01TheJudgerNF-PM1
B1=660000, B2=13365000, E=12
2015-02-14NickOfTimeNF
no factor from 2^73 to 2^74
2015-01-19Matthias WurtingerNF
no factor from 2^72 to 2^73
2014-12-18RichD0NF
no factor from 2^71 to 2^72
2013-12-01SMoffatNF
no factor from 2^70 to 2^71
2011-04-29tscNF
no factor to 2^70
2010-11-29Lars FrickeNF
no factor from 2^65 to 2^66
2010-09-14GrunwalderGIMPNF
no factor from 2^64 to 2^65
2008-09-29-Anonymous-NF
no factor to 2^64