Marin Mersenne 2^P-1
Username
Password
Forgot password?
Black
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
264529Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
1716467712356091547.3old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000194 / 1566
Estimated T-Level: 30.6
TF below 2^97 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-22Oliver Kruse34AF255A02ECB59A1013
Verified2017-10-12Oliver Kruse34AF255A02ECB59A125106913
Verified2017-11-06kkmrkkblmbrbk34AF255A02ECB59A112111113
Verified2020-04-17Oliver Kruse6372F4EA9D9789A6116505253
Verified2024-07-31kkmrkkblmbrbk6372F4EA9D9789A616133453
History
DateUserTypeResult
2024-10-21yuriy_5-1NF-PM1
B1=24336668, B2=5977750478700
2024-07-31ChuckCERT
PRP Certification
Proof certified good
2024-07-31kkmrkkblmbrbkC-PRP
M264529/171646771235609 : 6372F4EA9D9789A6
PRP proof power = 5
PRP: Verified
Proof certified good
2022-03-20Lisander ViaeneNF-PM1
B1=5550000, B2=25042991610
2022-03-19Lisander ViaeneNF-PM1
B1=5550000
2022-01-03Lisander ViaeneNF-PM1
B1=100000
2020-04-17Oliver KruseC-PRP
M264529/171646771235609 : 6372F4EA9D9789A6
PRP: Verified
PRP without proof (small exponent)
2017-11-06kkmrkkblmbrbkC-PRP
M264529/171646771235609 : 34AF255A02ECB59A
PRP: Verified
PRP without proof (small exponent)
2017-10-12Oliver KruseC-PRP
M264529/171646771235609 : 34AF255A02ECB59A
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M264529/171646771235609 : 34AF255A02ECB59A
PRP: Verified
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M264529/171646771235609 : 34AF255A02ECB59A
PRP without proof (not generated)