Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
290041Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
107454389691133.3old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000203 / 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 Kruse4E94BE0BD4AFF6A81013
Verified2017-10-12Oliver Kruse4E94BE0BD4AFF6A8123932013
Verified2017-11-06kkmrkkblmbrbk4E94BE0BD4AFF6A8124788113
Verified2020-04-17Oliver KruseE3C6571FE8FC0F98127827653
Verified2024-08-15kkmrkkblmbrbkE3C6571FE8FC0F98119077453
History
DateUserTypeResult
2024-11-19yuriy_5-1NF-PM1
B1=26683772, B2=6537512951970
2024-08-15JG48CERT
PRP Certification
Proof certified good
2024-08-15kkmrkkblmbrbkC-PRP
M290041/10745438969 : E3C6571FE8FC0F98
PRP proof power = 5
PRP: Verified
Proof certified good
2023-02-14USAFSSNF-PM1
B1=3500000, B2=16989188580
2022-02-06Lisander ViaeneNF-PM1
B1=50000
2020-04-17Oliver KruseC-PRP
M290041/10745438969 : E3C6571FE8FC0F98
PRP: Verified
PRP without proof (small exponent)
2017-11-06kkmrkkblmbrbkC-PRP
M290041/10745438969 : 4E94BE0BD4AFF6A8
PRP: Verified
PRP without proof (small exponent)
2017-10-12Oliver KruseC-PRP
M290041/10745438969 : 4E94BE0BD4AFF6A8
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M290041/10745438969 : 4E94BE0BD4AFF6A8
PRP: Verified
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M290041/10745438969 : 4E94BE0BD4AFF6A8
PRP without proof (not generated)