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
101512211Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 276
P-1
B1 = 845000
B2 = 17533750
PRP
StatusDateUserResidueShiftTypeBase
Verified2020-12-09Ben Delo9872485EE87075BC848455513
History
DateUserTypeResult
2020-12-09Ben DeloCERT
PRP Certification
CERT proof power = 8
Proof certified good
2020-12-09Ben DeloC-PRP
9872485EE87075BC
PRP proof power = 8
PRP: Verified
Proof certified good
2020-12-07Ben DeloNF-PM1
B1=845000, B2=17533750, E=12
2020-10-10TheJudgerNF
no factor from 2^75 to 2^76
2020-10-10TheJudgerNF
no factor from 2^74 to 2^75
2020-03-21Hans LoeblichNF
no factor from 2^73 to 2^74
2020-03-13el groccoNF
no factor from 2^72 to 2^73
2014-12-02shaugeNF
no factor from 2^71 to 2^72
2014-03-25hkskypNF
no factor from 2^70 to 2^71
2014-03-24hkskypNF
no factor from 2^69 to 2^70
2013-08-30PascalBieriNF
no factor from 2^68 to 2^69
2013-08-28PascalBieriNF
no factor from 2^67 to 2^68
2013-08-26PascalBieriNF
no factor from 2^66 to 2^67
2012-04-16sasaki3NF
no factor from 2^65 to 2^66
2010-08-14Architects CubedNF
no factor from 2^64 to 2^65
2010-03-291997rj7NF
no factor from 2^63 to 2^64