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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Exponent Range:










MnStatusDetails
5569Composite, with 6 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
37813511825.2old
17809991305205352756072270.6old
166319766478955073640872373.8old
600677799248060675166232375.7old
85944690203095949947432632582.8old
7551527844317964522760813112893099.3old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
50440000005512 / 16550
Estimated T-Level: 46.7
TF below 2^150 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse7ADC74B7BB1A9E136013
Verified2017-10-02kkmrkkblmbrbk7ADC74B7BB1A9E136013
Verified2017-12-07ATH7ADC74B7BB1A9E136455913
Verified2020-04-17Oliver Kruse56D1AB05687FF5B1644153
Verified2024-02-03Wentao Huang56D1AB05687FF5B16175353
History
DateUserTypeResult
2024-02-03Wentao HuangC-PRP
M5569/37813511/1780999130520535275607/16631976647895507364087/60067779924806067516623/8594469020309594994743263/755152784431796452276081311289 : 56D1AB05687FF5B1
PRP: Verified
PRP without proof (small exponent)
2023-07-14-Anonymous-NF-PM1
B1=45000000000, B2=181622797963056450
2021-08-27Seth_TrNF-PM1
B1=400000000
2020-04-17Oliver KruseC-PRP
M5569/37813511/1780999130520535275607/16631976647895507364087/60067779924806067516623/8594469020309594994743263/755152784431796452276081311289 : 56D1AB05687FF5B1
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M5569/37813511/1780999130520535275607/16631976647895507364087/60067779924806067516623/8594469020309594994743263/755152784431796452276081311289 : 7ADC74B7BB1A9E13
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M5569/37813511/1780999130520535275607/16631976647895507364087/60067779924806067516623/8594469020309594994743263/755152784431796452276081311289 : 7ADC74B7BB1A9E13
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M5569/known_factors : 7ADC74B7BB1A9E13
PRP without proof (not generated)