Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
3429301Factored
FactorDigitsBitsDate
301778489928.2old
143994922519026298492063.62017-04-03 11:15:04
35678480193193121129576731432891.52018-10-31 21:59:35
ECM
DigitsB1Curves
25500002 / 280
Estimated T-Level: 20.0
TF below 2^62 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-11-06Oliver Kruse2DCB44E4B692C3DE216059753
Verified (Factored)2017-12-16kkmrkkblmbrbk2DCB44E4B692C3DE2193832053
Verified2018-11-04Oliver Kruse2DCB44E4B692C3DE3303499853
History
DateUserTypeResult
2022-10-06JossNF-PM1
B1=3429301, B2=407734470
2022-08-16JossNF-PM1
B1=3429301, B2=350377170
2022-05-01LordJuliusNF
no factor from 2^66 to 2^67
2022-05-01LordJuliusNF
no factor from 2^65 to 2^66
2022-05-01LordJuliusNF
no factor from 2^64 to 2^65
2022-05-01LordJuliusNF
no factor from 2^62 to 2^63
2022-01-04JossNF-PM1
B1=3429301, B2=111907950
2021-11-18JossNF
no factor from 2^68 to 2^69
2021-04-10JossNF
no factor from 2^67 to 2^68
2020-09-15JossNF-PM1
B1=345000, B2=6858602, E=6
2018-11-04Oliver KruseC-PRP
M3429301/301778489/14399492251902629849/3567848019319312112957673143 : 2DCB44E4B692C3DE
PRP: Verified
PRP without proof (not generated)
2018-10-31ATHF-ECM
Factor: 3567848019319312112957673143 / (ECM curve 2, B1=50000, B2=5000000)
2017-12-16kkmrkkblmbrbkC-PRP
M3429301/301778489/14399492251902629849 : 2DCB44E4B692C3DE
PRP: Verified
PRP without proof (not generated)
2017-11-06Oliver KruseC-PRP
M3429301/301778489/14399492251902629849 : 2DCB44E4B692C3DE
PRP: Verified
PRP without proof (not generated)
2017-04-03TJAOIF
Factor: 14399492251902629849 / TF: 63-64