is 2 102671447 - 1
has 30907186 decimal digits
takes 408.796 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
Actual276149.057964.4737%8550001795500010.31493.8336%159.372968.3073%5.8073%
PrimeNet2729.314562.5000%450000220000009.37655.3816%18.691067.8816%5.3816%
GPU72276149.057964.4737%6500002200000010.46823.8528%159.526268.3265%3.8528%
Difference---+205000-4045000-0.1533-0.0192%-0.1533-0.0192%-0.0192%

Known prime factors (1 factor, 84.7 bits, 0.00008252% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
102671447319914589067719960498319772684.726155795305518446604
22 × 3 × 17 × 31 × 557 × 1019 × 43404337
1019434043372021-02-1652,23413.65825.499

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-02-16T03:41:13Ben Deloi-067f3a3c18247807285500017955000122684.72610.31817.620.633.834%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-05-16T02:05:001997rj7comp5263264--0.019--
2010-08-19T18:35:00ANONYMOUSZgierz_1_1264265--0.036--
2012-04-24T05:08:00Le ComteS761265266--0.073--
2013-09-06T22:33:00processinfoManual testing266267--0.146--
2013-09-07T13:50:00RobishManual testing267268--0.291--
2013-09-08T15:42:00RobishManual testing268269--0.582--
2013-09-10T21:41:00RobishManual testing269270--1.165--
2013-09-12T22:56:00RobishManual testing270271--2.329--
2014-12-12T04:39:00shaugeManual testing271272--4.658--
2020-02-26T18:15:44el groccoManual testing272273--9.316--
2020-03-30T14:58:23SRBaseManual testing273274--18.63--
2020-11-15T23:01:16TheJudgerManual testing274275--37.26--
2020-11-15T23:01:16TheJudgerManual testing275276--74.53--


ECM factoring results:
Exponent "102671447" not found


Lucas-Lehmer results:
Exponent "102671447" not found


PRP results:
Exponent "102671447" not found


P-1 factor-bounds graph:
B1 = 855000, B2 = 17955000 (stage 2)
B1 = 855000 (stage 1)
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TF factor-bounds graph:
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Last modified: 2021-02-16T03:41:13+00:00