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
2250119Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
112505951926.7old
65376896205439467431962.52016-04-04 19:24:59
ECM
DigitsB1Curves
2550000280 / 280
30250000182 / 640
Estimated T-Level: 26.4
TF below 2^83 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-10-10Oliver KruseAD6F743CDE84C5282013
Verified2017-11-21kkmrkkblmbrbkAD6F743CDE84C5282132333113
P-1 factors
DateFactorB1B2
2016-04-04653768962054394674350000015000000
History
DateUserTypeResult
2017-11-21kkmrkkblmbrbkC-PRP
M2250119/112505951/6537689620543946743 : AD6F743CDE84C528
PRP: Verified
PRP without proof (not generated)
2017-10-10Oliver KruseC-PRP
M2250119/112505951/6537689620543946743 : AD6F743CDE84C528
PRP: Verified
PRP without proof (not generated)
2016-04-04alpertronF-PM1
Factor: 6537689620543946743 / (P-1, B1=500000, B2=15000000, E=12)