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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MnStatusDetails
176899Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
92697022487980014011963.0old
ECM
DigitsB1Curves
2550000280 / 280
30250000625 / 640
Estimated T-Level: 29.9
TF below 2^94 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-22Oliver KruseDD7D9C26A50355BC1013
Verified2017-10-12kkmrkkblmbrbkDD7D9C26A50355BC17796913
Verified2020-04-17Oliver Kruse59F0C87F66924CB015282053
Verified2024-02-03Wentao Huang59F0C87F66924CB0116984953
History
DateUserTypeResult
2024-02-03Naegi MakotoCERT
PRP Certification
Proof certified good
2024-02-03Wentao HuangC-PRP
M176899/9269702248798001401 : 59F0C87F66924CB0
PRP proof power = 5
PRP: Verified
Proof certified good
2020-04-17Oliver KruseC-PRP
M176899/9269702248798001401 : 59F0C87F66924CB0
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M176899/9269702248798001401 : DD7D9C26A50355BC
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M176899/9269702248798001401 : DD7D9C26A50355BC
PRP: Verified
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M176899/9269702248798001401 : DD7D9C26A50355BC
PRP without proof (not generated)
2017-05-03kkmrkkblmbrbkNF-PM1
B1=100000000, B2=2000000000, E=12