is 2 9774647 - 1
has 2942462 decimal digits
takes 2.851 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2673.039964.1791%----3.039964.1791%0.0000%
PrimeNet2640.364162.5000%4000011000000.04133.5161%0.405563.8185%1.3185%
GPU722686.097964.7059%6500015000000.06062.5587%6.158565.6089%0.9031%
Difference-1-3.0580-0.5268%-65000-1500000-0.0606-2.5587%-3.1186-1.4298%-0.9031%

Known prime factors (2 factors, 80.7 bits, 0.00082601% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
97746477980803782571239.53840824
23 × 36 × 7
-7297291.376e-80.00030.0006
977464725295417985431341.202129393
32 × 11 × 1307
2008-09-081113073.018e-83.451e-55.611e-5

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
977464720187776753980895314795512580.740
P-1 results:
No P-1 results for M9774647


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-08T05:35:00Will EdgingtonManual testing??41.202132.14074e-106.1624.62692e-10


ECM factoring results:
No ECM results for M9774647


Lucas-Lehmer results:
No L-L results for M9774647


PRP results:
dateuseridcompidcofactorsres64PRP
2019-10-25T16:40:02mnd9consultb
798080378257
2529541798543
C3668A5A7F5BE7__no
2020-12-31T05:52:53MarkSdesktop-i7
798080378257
2529541798543
C3668A5A7F5BE7A4no


P-1 factor-bounds graph:
100
101
102
103
100
101
102
103
104
TF factor-bounds graph:
267
2
230
240
250
260
270
280
290
2100
Last modified: 2020-12-31T05:52:53+00:00