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
1924003Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
3927736684331238.5old
10637129248843042079601132579.82022-01-25 11:47:33
ECM
DigitsB1Curves
2550000280 / 280
30250000106 / 640
Estimated T-Level: 25.8
TF below 2^81 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-10-04Oliver KruseD2F9341A02873DCF1013
Verified (Factored)2017-11-10ATHD2F9341A02873DCF185500513
Verified2022-01-27SRJ2877F913DDF07D126F002121531653
History
DateUserTypeResult
2022-01-27Ben DeloCERT
PRP Certification
Proof certified good
2022-01-27SRJ2877C-PRP
M1924003/392773668433/1063712924884304207960113 : F913DDF07D126F00
PRP proof power = 7
PRP: Verified
Proof certified good
2022-01-25TJAOIF-ECM
Factor: 1063712924884304207960113 / (ECM curve 7, B1=50000, B2=7500000)
2017-11-10ATHC-PRP
M1924003/392773668433 : D2F9341A02873DCF
PRP: Verified (Factored)
PRP without proof (not generated)
2017-10-04Oliver KruseC-PRP
M1924003/392773668433 : D2F9341A02873DCF
PRP: Verified (Factored)
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=500000, B2=15000000, E=12