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
2922769Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
648854719929.3old
10669110625923332528232269.92023-02-05 14:17:55
ECM
DigitsB1Curves
255000058 / 280
Estimated T-Level: 21.0 ⓘ
TF below 2^65 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-10-25Oliver Kruse363743420302D2F71248515253
Verified (Factored)2017-12-09kkmrkkblmbrbk363743420302D2F71137711353
Verified2023-02-08LordJulius363743420302D2F72238566553
P-1 factors
DateFactorB1B2
2023-02-051066911062592333252823360000282695490
History
DateUserTypeResult
2023-02-08Schnell LabCERT
PRP Certification
Proof certified good
2023-02-08LordJuliusC-PRP
M2922769/648854719/1066911062592333252823 : 363743420302D2F7
PRP proof power = 7
PRP: Verified
Proof certified good
2023-02-05USAFSSF-PM1
Factor: 1066911062592333252823 / (P-1, B1=360000, B2=282695490)
2017-12-09kkmrkkblmbrbkC-PRP
M2922769/648854719 : 363743420302D2F7
PRP: Verified (Factored)
PRP without proof (not generated)
2017-10-25Oliver KruseC-PRP
M2922769/648854719 : 363743420302D2F7
PRP: Verified (Factored)
PRP without proof (not generated)