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

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MnStatusDetails
602593Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
1090452292811236.7old
ECM
DigitsB1Curves
2550000280 / 280
30250000214 / 640
Estimated T-Level: 26.7
TF below 2^84 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-27Oliver KruseD2F5502AEEBB03701013
Verified2017-09-28Oliver KruseD2F5502AEEBB03701013
Verified2017-11-09kkmrkkblmbrbkD2F5502AEEBB0370151649413
Verified2020-04-19Oliver Kruse4EF196D89EA4D0A2147277653
Verified2025-01-28kkmrkkblmbrbk4EF196D89EA4D0A2142930853
History
DateUserTypeResult
2025-01-28GregCERT
PRP Certification
Proof certified good
2025-01-28kkmrkkblmbrbkC-PRP
M602593/109045229281 : 4EF196D89EA4D0A2
PRP proof power = 6
PRP: Verified
Proof certified good
2022-12-08USAFSSNF-PM1
B1=1750000, B2=5543237700
2020-04-19Oliver KruseC-PRP
M602593/109045229281 : 4EF196D89EA4D0A2
PRP: Verified
PRP without proof (small exponent)
2017-11-09kkmrkkblmbrbkC-PRP
M602593/109045229281 : D2F5502AEEBB0370
PRP: Verified
PRP without proof (small exponent)
2017-09-28Oliver KruseC-PRP
M602593/109045229281 : D2F5502AEEBB0370
PRP: Verified
PRP without proof (not generated)
2017-09-27Oliver KruseC-PRP
M602593/109045229281 : D2F5502AEEBB0370
PRP: Verified
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=1000000, B2=30000000, E=12