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
83057279Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 275
P-1
B1 = 660000
B2 = 12870000
PRP
StatusDateUserResidueShiftTypeBase
Verified2019-01-15George WoltmanF39015FB4635B2912747528813
Verified2020-05-24_p95holder_F39015FB4635B291736792813
History
DateUserTypeResult
2024-06-11James HeinrichNF
no factor from 2^68 to 2^69
2020-05-24_p95holder_C-PRP
F39015FB4635B291
PRP: Verified
PRP without proof (not generated)
2019-01-15George WoltmanC-PRP
F39015FB4635B291
PRP: Verified
PRP without proof (not generated)
2017-03-26TheJudgerNF-PM1
B1=660000, B2=12870000, E=12
2017-01-29TheJudgerNF
no factor from 2^75 to 2^76
2016-12-29AirSquirrelsNF
no factor from 2^74 to 2^75
2016-12-29AirSquirrelsNF
no factor from 2^73 to 2^74
2016-12-01Judge HaleNF
no factor from 2^72 to 2^73
2016-12-01Judge HaleNF
no factor from 2^71 to 2^72
2014-08-10forrest-lumpkinNF
no factor from 2^70 to 2^71
2014-03-19arnaudNF
no factor from 2^69 to 2^70
2014-01-14Carsten KossendeyNF
no factor from 2^68 to 2^69
2014-01-14Carsten KossendeyNF
no factor from 2^67 to 2^68
2013-06-18Juergen KampmeierNF
no factor from 2^66 to 2^67
2012-08-08Carsten KossendeyNF
no factor from 2^65 to 2^66
2010-12-19Architects CubedNF
no factor from 2^64 to 2^65