is 281685753-1
has 24,589,862 decimal digits
takes 254.899 GHz-days to do one L-L 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
Actual27593.674964.0000%695,00014,247,5006.48563.8230%100.160667.8230%5.8511%
PrimeNet2715.852761.9718%340,00016,000,0005.39895.2601%11.251567.2320%5.2601%
GPU7227593.674964.0000%550,00018,000,0006.79033.8847%100.465367.8847%3.8847%
Difference---+145,000-3,752,500-0.3047-0.0618%-0.3047-0.0618%-0.0618%

Known prime factors (1 factor, 122.4 bits, 0.00014987% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
81685753712052328981346237349914794097275615137122.42143584854324679252044717932275
3 × 52 × 509 × 2393 × 5851 × 94933 × 587773 × 1461359
587,7731,461,3592017-06-041.962e+92.87495.4125

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2017-06-04T19:07:42TheJudgerManual testing695,00014,247,5001237122.4216.486509.812.973.823%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-12-14T21:20:00For Researcha3_bu2264265--0.046--
2011-02-28T19:55:00Christian Paulat265266--0.091--
2011-03-01T16:53:00ANONYMOUS266267--0.183--
2011-03-02T18:58:00ANONYMOUS267268--0.366--
2011-03-03T23:39:00S00030vd10268269--0.732--
2011-03-07T19:57:00sannerud.comJim2010269270--1.464--
2013-06-07T00:42:00SMoffatManual testing270271--2.927--
2016-10-04T06:55:09Judge HaleManual testing271272--5.855--
2016-10-04T06:55:09Judge HaleManual testing272273--11.71--
2016-11-07T00:49:54TheJudgerManual testing273274--23.42--
2016-11-07T00:49:54TheJudgerManual testing274275--46.84--


ECM factoring results:
Exponent "81685753" not found


Lucas-Lehmer results:
Exponent "81685753" not found


PRP results:
Exponent "81685753" not found


P-1 factor-bounds graph:
B1 = 695,000, B2 = 14,247,500 (stage 2)
B1 = 695,000 (stage 1)
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TF factor-bounds graph:
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Last modified: 2017-06-04T19:07:42+00:00