is 2 84004321 - 1
has 25287821 decimal digits
takes 262.134 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP718453D50E8FF01D

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual277364.364264.9351%670000132325006.12843.0916%370.492666.0191%4.0473%
PrimeNet2715.691161.9718%360000170000005.73105.3735%11.422164.0153%2.0434%
GPU7227591.089564.0000%550000190000007.03693.9384%98.126365.4178%1.4178%
Difference+2+273.2747+0.9351%+120000-5767500-0.9084-0.8468%+272.3663+0.6013%+0.6013%

Known prime factors:
No known factors for M84,004,321

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2017-04-24T23:31:09TheJudgerManual testing6700001323250012---6.128--3.092%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-12-08T22:20:00For Researchm1_55264265--0.044--
2011-06-12T16:00:00riccardo ubertiNeoHpCrunch265266--0.089--
2012-04-23T23:28:00c10ck3rManual testing266267--0.178--
2013-02-21T14:34:00SMoffatManual testing267268--0.356--
2013-07-16T09:34:00Le ComteManual testing268269--0.712--
2013-07-16T09:34:00Le ComteManual testing269270--1.423--
2013-08-10T18:49:00evatutinvtdc270271--2.847--
2016-09-04T00:57:31Gordon BowerManual testing271272--5.693--
2016-09-04T00:57:31Gordon BowerManual testing272273--11.39--
2017-02-05T02:20:38RichD0Manual testing273274--22.77--
2017-02-20T14:16:17Brian BeuningManual testing274275--45.55--
2017-03-27T01:04:23TheJudgerManual testing275276--91.09--
2020-10-06T17:47:26TheJudgerManual testing276277--182.2--


ECM factoring results:
Exponent "84004321" not found


Lucas-Lehmer results:
Exponent "84004321" not found


PRP results:
dateuseridcompidcofactorsres64PRP
2019-03-14T10:14:29TravisJankNN-HV-02718453D50E8FF01Dno
2020-10-06T17:47:47TheJudgerManual testing718453D50E8FF01Dno


P-1 factor-bounds graph:
B1 = 670000, B2 = 13232500 (P-1 stage 2)
B1 = 670000 (P-1 stage 1)
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108
TF factor-bounds graph:
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Last modified: 2020-10-06T17:47:47+00:00