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
1967429Factored
FactorDigitsBitsDate
34351113597111341.6old
50123419409817625566712272.12021-08-14 23:14:04
ECM
DigitsB1Curves
2550000274 / 280
Estimated T-Level: 24.9
TF below 2^78 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-10-05Oliver Kruse5C6A6485CD5DA0B61013
Verified (Factored)2017-11-12kkmrkkblmbrbk5C6A6485CD5DA0B61117093813
Verified2021-08-15SRJ287742534055D39CAE47234585853
History
DateUserTypeResult
2022-04-12Lisander ViaeneNF-PM1
B1=500000, B2=1964033610
2021-08-15curtiscCERT
PRP Certification
Proof certified good
2021-08-15SRJ2877C-PRP
M1967429/3435111359711/5012341940981762556671 : 42534055D39CAE47
PRP proof power = 7
PRP: Verified
Proof certified good
2021-08-14MarkSF-ECM
Factor: 5012341940981762556671 / (ECM curve 30, B1=50000, B2=5000000, Sigma=2837083634998534)
2017-11-12kkmrkkblmbrbkC-PRP
M1967429/3435111359711 : 5C6A6485CD5DA0B6
PRP: Verified (Factored)
PRP without proof (not generated)
2017-10-05Oliver KruseC-PRP
M1967429/3435111359711 : 5C6A6485CD5DA0B6
PRP: Verified (Factored)
PRP without proof (not generated)