is 2 47789341 - 1
has 14386026 decimal digits
takes 82.968 GHz-days to do one PRP test
Last-known PrimeNet details:
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2630.033458.7302%----0.033458.7302%-3.0345%
PrimeNet2681.247261.7647%22000090000001.75805.6379%3.005367.4027%5.6379%
GPU7227220.011463.8889%340000110000002.31804.1629%22.329468.0518%4.1629%
Difference-9-19.9780-5.1587%-340000-11000000-2.3180-4.1629%-22.2960-9.3216%-9.3216%

Known prime factors (1 factor, 83.9 bits, 0.00017551% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
47789341177607429176346656136656732683.877185823266715842196
22 × 3 × 7 × 1992 × 5669 × 9853901
3960198539012011-02-0955,1521.44572.5242

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2011-02-09T02:02:00Ge yongSheng_Shi_32683.877-165.9-0.000%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-12-16T16:03:00ITSv4_computers?269--1.251--
2008-12-30T00:00:00ITSv4_computers?269--1.251--


ECM factoring results:
Exponent "47789341" not found


Lucas-Lehmer results:
Exponent "47789341" not found


PRP results:
Exponent "47789341" not found


P-1 factor-bounds graph:
103
104
105
103
104
105
106
107
TF factor-bounds graph:
269
263
250
260
270
280
290
2100
Last modified: 2011-02-09T02:02:29+00:00