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
1320391Factored
FactorDigitsBitsDate
111339700002491443.3old
30824500029192532727932271.42018-06-08 13:20:03
ECM
DigitsB1Curves
2550000280 / 280
30250000105 / 640
Estimated T-Level: 25.8
TF below 2^81 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-30Oliver KruseC437167C027629B41013
Verified (Factored)2017-10-23kkmrkkblmbrbkC437167C027629B4189118213
Verified2018-06-10Daniil Tsarkov324165AFEA6D6F3E227378253
Verified2018-06-15Gabriel Lignelli324165AFEA6D6F3E215235553
History
DateUserTypeResult
2018-06-15Gabriel LignelliC-PRP
M1320391/11133970000249/3082450002919253272793 : 324165AFEA6D6F3E
PRP: Verified
PRP without proof (not generated)
2018-06-10Daniil TsarkovC-PRP
M1320391/11133970000249/3082450002919253272793 : 324165AFEA6D6F3E
PRP: Verified
PRP without proof (not generated)
2018-06-08TJAOIF-ECM
Factor: 3082450002919253272793 / (ECM curve 69, B1=50000, B2=5000000)
2017-10-23kkmrkkblmbrbkC-PRP
M1320391/11133970000249 : C437167C027629B4
PRP: Verified
PRP without proof (not generated)
2017-09-30Oliver KruseC-PRP
M1320391/11133970000249 : C437167C027629B4
PRP: Verified
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=500000, B2=15000000, E=12