is 2 48152443 - 1
has 14495330 decimal digits
takes 83.598 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2692.479462.3188%----2.479462.3188%
Target27219.860563.8889%340000110000002.31804.1669%22.178565.3936%
Difference-3-17.3812-1.5700%-340000-11000000-2.3180-4.1669%-19.6991-3.0748%

Known prime factors (3 factors, 230.3 bits, 0.00047826% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
4815244346785477519324614875372271.98748580585536776
23 × 5107 × 5431 × 218941
2010-04-05543121894117.0140.04300.0561
48152443826184627627608318065672376.129857884435507881
33 × 17 × 61 × 457 × 1571 × 42677
2010-04-05157142677620.590.00960.0109
4815244354688815149703523889233932582.17856787165658140672
212 × 3 × 223 × 449 × 1597 × 28901
2010-04-0540962890137,5650.01370.0210

4 Composite Factors:
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2010-04-05TeamsterX70230.293-167.2-0.000%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2003-06-06Thomas Mullenv4_computers21259--0.002--
2003-06-09Thomas Mullenv4_computers21260--0.003--
2003-10-08Thomas Mullenv4_computers21261--0.006--
2003-10-14Thomas Mullenv4_computers21262--0.013--
2003-12-13Thomas Mullenv4_computers21262--0.013--
2022-06-26LordJuliusManual testing262264--0.061--
2008-04-24ComputerraRUv4_computers264265--0.078--
2008-04-24ComputerraRUv4_computers265266--0.155--
2008-05-10ComputerraRUv4_computers266267--0.310--
2008-05-10ComputerraRUv4_computers267268--0.621--
2008-05-10ComputerraRUv4_computers268269--1.242--


ECM factoring results:
No ECM results for M48152443


Lucas-Lehmer results:
No L-L results for M48152443


PRP results:
No PRP results for M48152443


P-1 factor-bounds graph:
102
103
104
102
103
104
105
106
TF factor-bounds graph:
269
268
267
266
265
264
262
261
260
259
this exponent TF target: 72
TF double-checked to: 67.7
250
260
270
280
290
Last modified: 2023-03-25T13:08:14+00:00