is 2 168230723 - 1
has 50642494 decimal digits
takes 1,144.904 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
Actual278363.884264.1026%1100000011000000108.54863.4660%472.432867.5686%5.4064%
PrimeNet27422.741862.1622%6500003600000025.41985.3828%48.161567.5450%5.3828%
GPU72278363.884264.1026%10000003600000028.68543.9215%392.569668.0241%3.9215%
Difference---+10000000-25000000+79.8632-0.4555%+79.8632-0.4555%-0.4555%

Known prime factors (1 factor, 82.8 bits, 0.00004924% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
16823072386524459688674270683558732582.83925716010175107632
24 × 32 × 37 × 74719 × 64596401
74719645964012021-01-235,912.935.42764.865

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2017-05-30T12:48:40Tomas Fabiansirslo24900002490000---24.57--2.127%
2021-01-23T13:58:30Bruno VictalManual testing11000000110000002582.839108.52,290217.13.466%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-07-11T01:12:00RichardUNKNOWN263264--0.012--
2011-02-16T09:33:00dsls2264265--0.022--
2013-03-26T00:31:00Richard172.26.180.86265266--0.044--
2015-06-05T07:28:00Schultz7676Delta_Home_Computer266267--0.089--
2016-03-31T14:11:04XZTManual testing267268--0.178--
2017-04-26T15:23:25Xolotlthunder-gpu-16268269--0.355--
2017-04-28T21:56:37Tomas Fabiansirslo269270--0.711--
2017-04-29T00:55:58Tomas FabianManual testing270271--1.421--
2017-04-29T07:17:25Tomas FabianManual testing271272--2.843--
2017-04-29T12:38:24Tomas FabianManual testing272273--5.686--
2017-05-13T21:37:01Tomas FabianManual testing273274--11.37--
2017-06-26T12:45:27Tomas FabianManual testing274275--22.74--
2017-06-26T12:45:27Tomas FabianManual testing275276--45.49--
2017-06-26T12:45:27Tomas FabianManual testing276277--90.97--
2017-06-26T12:45:27Tomas FabianManual testing277278--181.9--


ECM factoring results:
Exponent "168230723" not found


Lucas-Lehmer results:
Exponent "168230723" not found


PRP results:
Exponent "168230723" not found


P-1 factor-bounds graph:
B1 = 11000000 (stage 1)
B1 = 2490000 (stage 1)
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TF factor-bounds graph:
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Last modified: 2021-01-23T13:58:30+00:00