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
7991059Factored
FactorDigitsBitsDate
335624479928.3old
1021414857453007427112166.52020-04-09 09:18:24
6468589537965569172892169.12023-03-09 19:12:28
ECM
DigitsB1Curves
255000013 / 280
Estimated T-Level: 20.2 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2018-07-05_p95holder_C78BF4B18D3154F21456134853
Verified (Factored)2019-12-23mnd9C78BF4B18D3154F2162477653
Verified (Factored)2020-04-10Naegi MakotoC78BF4B18D3154F22592248053
Verified2023-03-09Naegi MakotoC78BF4B18D3154F23616049953
History
DateUserTypeResult
2023-03-17Naegi MakotoNF-PP1
Start=2/7, B1=1000000, B2=32000000
2023-03-13Naegi MakotoNF-PM1
B1=3000000, B2=15482831910
2023-03-09curtiscCERT
PRP Certification
Proof certified good
2023-03-09Naegi MakotoC-PRP
M7991059/335624479/102141485745300742711/646858953796556917289 : C78BF4B18D3154F2
PRP proof power = 8
PRP: Verified
Proof certified good
2023-03-09Naegi MakotoNF
no factor from 2^70 to 2^71
2023-03-09Naegi MakotoF
Factor: 646858953796556917289 / TF: 69-70
2023-03-09Naegi MakotoNF
no factor from 2^68 to 2^69
2023-03-09Naegi MakotoNF
no factor from 2^67 to 2^68
2020-04-10Naegi MakotoC-PRP
M7991059/335624479/102141485745300742711 : C78BF4B18D3154F2
PRP: Verified (Factored)
PRP without proof (not generated)
2020-04-09TJAOIF
Factor: 102141485745300742711 / TF: 66-67
2019-12-23mnd9C-PRP
M7991059/335624479 : C78BF4B18D3154F2
PRP: Verified (Factored)
PRP without proof (not generated)
2018-07-05_p95holder_C-PRP
M7991059/335624479 : C78BF4B18D3154F2
PRP: Verified (Factored)
PRP without proof (not generated)