is 2 48021299 - 1
has 14455852 decimal digits
takes 83.370 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
Actual2630.033258.7302%----0.033258.7302%-3.0345%
PrimeNet2681.241261.7647%22000090000001.75805.6413%2.999267.4061%5.6413%
GPU7227219.914863.8889%340000110000002.31804.1654%22.232768.0543%4.1654%
Difference-9-19.8815-5.1587%-340000-11000000-2.3180-4.1654%-22.1995-9.3242%-9.3242%

Known prime factors (1 factor, 71.9 bits, 0.00014968% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
4802129943371162209100543389212271.87745158255932540
22 × 5 × 743 × 1021 × 2976409
102129764092009-10-2711.0760.41070.7624

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2009-10-27T21:43:00Ge yongSheng_Shi_32271.877-166.7-0.000%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2003-06-09T00:00:00Thomas Mullenv4_computers?259--0.001--
2003-10-08T00:00:00Thomas Mullenv4_computers?260--0.002--
2008-04-24T00:00:00JC_Herlesv4_computers?269--1.245--


ECM factoring results:
Exponent "48021299" not found


Lucas-Lehmer results:
Exponent "48021299" not found


PRP results:
Exponent "48021299" not found


P-1 factor-bounds graph:
102
103
104
102
103
104
105
106
107
TF factor-bounds graph:
269
263
260
259
250
260
270
280
290
2100
Last modified: 2009-10-27T21:43:10+00:00