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

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MnStatusDetails
419189Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
11695373111030.1old
ECM
DigitsB1Curves
2550000280 / 280
30250000273 / 640
Estimated T-Level: 27.1
TF below 2^85 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-23Oliver Kruse2E4565555D0391B91013
Verified2017-11-02kkmrkkblmbrbk2E4565555D0391B913882213
Verified2020-04-18Oliver Kruse0FFCAB3EB66D9DF9139453853
Verified2024-10-27kkmrkkblmbrbk0FFCAB3EB66D9DF9114033053
History
DateUserTypeResult
2024-11-02XyzzyCERT
PRP Certification
Proof certified good
2024-10-27kkmrkkblmbrbkC-PRP
M419189/1169537311 : 0FFCAB3EB66D9DF9
PRP proof power = 5
PRP: Verified
Proof certified good
2020-04-18Oliver KruseC-PRP
M419189/1169537311 : 0FFCAB3EB66D9DF9
PRP: Verified
PRP without proof (small exponent)
2017-11-02kkmrkkblmbrbkC-PRP
M419189/1169537311 : 2E4565555D0391B9
PRP: Verified
PRP without proof (small exponent)
2017-09-23Oliver KruseC-PRP
M419189/1169537311 : 2E4565555D0391B9
PRP: Verified
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=3000000, B2=100000000, E=12