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
81448453Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 275
P-1
B1 = 815000
B2 = 815000
PRP
StatusDateUserResidueShiftTypeBase
Verified2018-04-24Milwizzle50E103553AF4E0751926265113
Verified2020-02-06ky0uraku50E103553AF4E0756251320113
History
DateUserTypeResult
2020-06-05-Anonymous-NF
no factor from 2^75 to 2^76
2020-02-06ky0urakuC-PRP
50E103553AF4E075
PRP: Verified
PRP without proof (not generated)
2018-04-24MilwizzleC-PRP
50E103553AF4E075
PRP: Verified
PRP without proof (not generated)
2017-05-24YxinityNF-PM1
B1=815000
2016-11-13TheJudgerNF
no factor from 2^74 to 2^75
2016-11-13TheJudgerNF
no factor from 2^73 to 2^74
2016-10-04Judge HaleNF
no factor from 2^72 to 2^73
2016-10-04Judge HaleNF
no factor from 2^71 to 2^72
2013-07-12Per JessenNF
no factor from 2^70 to 2^71
2013-05-25IlshatNF
no factor from 2^69 to 2^70
2013-01-27S00030NF
no factor from 2^68 to 2^69
2013-01-25SMoffatNF
no factor from 2^67 to 2^68
2011-02-24ErikNF
no factor from 2^66 to 2^67
2011-02-21Gilbert DejardinNF
no factor from 2^65 to 2^66
2010-12-14Architects CubedNF
no factor from 2^64 to 2^65