is 2 468877817 - 1
has 141146288 decimal digits
takes 10,976.842 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
Actual2680.127157.3529%----0.127157.3529%0.0000%
PrimeNet278130.559662.8205%1800000120000000279.70855.7734%410.268164.9670%2.1465%
GPU722822,088.959564.6341%2800000120000000311.80484.3035%2,400.764366.1561%1.5220%
Difference-14-2,088.8324-7.2812%-2800000-120000000-311.8048-4.3035%-2,400.6372-8.8032%-8.8032%

Known prime factors (4 factors, 229.4 bits, 0.00004893% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
468877817529297412498631445.58956443
56443
2008-03-241564431.217e-80.10440.1950
468877817252777470127377211754.48926955580
22 × 5 × 661 × 2039
2014-11-2566120397.888e-60.02500.0457
46887781784664940092085952311962.8769028465095
3 × 5 × 13 × 109 × 424769
2016-11-011094247690.00180.78911.4673
4688778171020497895938176604892166.468108823435332
22 × 3 × 19 × 229 × 271 × 7691
2020-04-0927176910.03570.02290.0266

11 Composite Factors:
exponentprime factorscomposite factordigitsbits*
468877817133794460876370497530394618222331100.078
46887781744812933720092615317355240120335333108.466
468877817540146895780373054818876545176300734112.057
46887781721401389364963437901209507385440855136117.365
468877817257958876405563733392759096718160556937120.957
46887781786400393223705486540233830146258252795939129.344
4688778171132770001475084593478462296958882775109937477851350162.954
46887781713653696581251878102795161381401154456422514128704
7
51166.546
46887781745731504572171479149082866924818869414340386802419
617
53174.933
46887781721840072817098857944497871529968429140012296553616
441439
56183.833
46887781711559894030872090366968366577185743666502052036090
03312484202206272857
70229.422
P-1 results:
No P-1 results for M468877817


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2014-11-25T12:47:00TJAOIManual testing254255*54.489172.76963e-622,4835.67278e-6
2016-11-01T16:12:51TJAOIManual testing262263*62.876190.00022,4830.001
2022-07-12T07:51:25LordJuliusManual testing263266--0.028--
2020-04-09T09:13:22TJAOIManual testing266267*66.468210.00422,4830.009
2022-08-10T19:29:47LordJuliusManual testing2126866.468210.03622,4830.073
2022-08-10T19:29:47LordJuliusManual testing2126854.489177.88791e-622,4831.61561e-5
2022-08-10T19:29:47LordJuliusManual testing2126845.589141.21669e-822,4832.49204e-8
2022-08-10T19:29:47LordJuliusManual testing2126862.876190.00222,4830.004


ECM factoring results:
No ECM results for M468877817


Lucas-Lehmer results:
No L-L results for M468877817


PRP results:
No PRP results for M468877817


P-1 factor-bounds graph:
100
101
102
103
100
101
102
103
104
105
106
TF factor-bounds graph:
268
267
266
263
255
240
250
260
270
280
290
2100
Last modified: 2022-08-10T19:29:47+00:00