Marin Mersenne 2^P-1
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Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
190759Factored
FactorDigitsBitsDate
18946330469444633658572172580.62009-01-30 02:20:15
ECM
DigitsB1Curves
2550000280 / 280
30250000630 / 640
Estimated T-Level: 29.9
TF below 2^94 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Amdahl 6 - 19890B1A8E9A0
Verified (Factored)Martin EiblDC3D9D370B1A8E9A0
Verified (Factored)Brian J. BeesleyDC3D9D370B1A8E9A0
Verified (Factored)Eivind TrielDC3D9D370B1A8E9A79414
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-22Oliver KruseF2C21417EEF9F3781013
Verified2017-10-12kkmrkkblmbrbkF2C21417EEF9F378117216013
Verified2020-04-17Oliver Kruse93B446AC6CB34BEC11677553
Verified2023-08-24USAFSS93B446AC6CB34BEC14439653
History
DateUserTypeResult
2023-08-24NoodlesCERT
PRP Certification
Proof certified good
2023-08-24USAFSSC-PRP
M190759/1894633046944463365857217 : 93B446AC6CB34BEC
PRP proof power = 5
PRP: Verified
Proof certified good
2022-03-07LordJuliusNF
no factor from 2^57 to 2^58
2022-03-07LordJuliusNF
no factor from 2^54 to 2^55
2020-04-17Oliver KruseC-PRP
M190759/1894633046944463365857217 : 93B446AC6CB34BEC
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M190759/1894633046944463365857217 : F2C21417EEF9F378
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M190759/1894633046944463365857217 : F2C21417EEF9F378
PRP: Verified
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M190759/1894633046944463365857217 : F2C21417EEF9F378
PRP without proof (not generated)
2017-01-10kkmrkkblmbrbkNF-PM1
B1=100000000, B2=2000000000, E=12
2009-01-30axnF-ECM
Factor: 1894633046944463365857217
2009-01-27Sturle SundeNF
no factor from 2^59 to 2^60
2008-12-31Sturle SundeNF
no factor from 2^58 to 2^59