is 2 104710477 - 1
has 31520995 decimal digits
takes 416.915 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRPD64D481CBE9E6C__verified PRP

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual276146.155364.4737%8160003547100015.61164.3428%161.767066.0165%1.5428%
PrimeNet2729.133162.5000%450000220000009.37655.3942%18.509664.5228%2.0228%
GPU72276146.155364.4737%6500002400000011.09733.9257%157.252665.8683%1.3946%
Difference---+166000+11471000+4.5143+0.4171%+4.5143+0.1482%+0.1482%

Known prime factors:
No known factors for M104710477

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-07-04T15:29:49ChuckMaingear_i7-780081600035471000---15.61--4.343%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-12-30T00:00:00carlos56v4_computers260261--0.001--
2022-03-19T04:01:51LordJuliusManual testing261263--0.012--
2010-04-19T02:01:00sasaki3MATE_J2263264--0.019--
2010-08-28T15:07:00sasaki3mate_ma1264265--0.036--
2012-05-07T10:31:00ALSJC-Witten265266--0.071--
2014-10-14T18:07:00SMoffatManual testing266267--0.143--
2014-10-17T23:02:00SMoffatManual testing267268--0.285--
2014-10-21T01:07:00SMoffatManual testing268269--0.571--
2014-10-24T01:55:00SMoffatManual testing269270--1.142--
2014-10-27T02:25:00SMoffatManual testing270271--2.284--
2015-01-08T02:14:00SMoffatManual testing271272--4.567--
2020-02-25T10:59:38el groccoManual testing272273--9.135--
2020-04-01T05:38:25SRBaseManual testing273274--18.27--
2021-03-28T21:37:56TheJudgerManual testing274275--36.54--
2021-03-28T21:37:56TheJudgerManual testing275276--73.08--


ECM factoring results:
No ECM results for M104710477


Lucas-Lehmer results:
No L-L results for M104710477


PRP results:
dateuseridcompidcofactorsres64PRP
2021-07-24T15:19:40WRwr40D64D481CBE9E6C__no


P-1 factor-bounds graph:
B1 = 816000, B2 = 35471000 (P-1 stage 2)
B1 = 816000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2022-03-19T04:01:51+00:00