is 23620207-1
has 1,089,791 decimal digits
takes 0.380 GHz-days to do one L-L test
Last-known PrimeNet details:
0 L-L tests remaining
ResidueStatus
L-LF8D74A0A96AACA37double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual26816.464567.6471%30,000,000600,000,0009.298111.8395%25.762679.4866%16.1532%
PrimeNet2600.042463.3333%15,000300,0000.00462.9780%0.047166.3114%2.9780%
GPU722640.983265.6250%20,000400,0000.00621.9825%0.989467.6075%1.9825%
Difference+4+15.4813+2.0221%+29,980,000+599,600,000+9.2919+9.8570%+24.7732+11.8791%+11.8791%

Known prime factors (1 factor, 122.4 bits, 0.00338165% known):
Remaining cofactor is not a probable-prime

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
3620207712717877047199608056456637680304100937122.423984360669220295425173832100872
23 × 47 × 686009 × 3918323 × 15957013 × 61035817
15,957,01361,035,8172020-06-185.270e+102.80414.9457

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2009-07-06T10:54:00Carsten Kossendeyleela20,000245,000---0.005--0.959%
2011-12-20T11:42:00markrtiny240,0006,180,000---0.086--3.809%
2020-06-19T01:29:29axnManual testing30,000,000600,000,0001237122.4239.2980.76018.6011.840%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1998-04-05T00:00:00ANONYMOUSv4_computers?260--0.021--
2009-03-12T05:55:00S485122USB-Z260261--0.042--
2011-06-03T11:11:00markrManual testing?262--0.085--
2012-06-05T02:29:00GrunwalderGIMPManual testing21263--0.441--
2016-02-23T16:29:35Mark RoseManual testing262263--0.271--
2015-01-20T20:49:00VictordeHollanderManual testing263264--0.542--
2015-01-20T20:49:00VictordeHollanderManual testing264265--1.032--
2015-10-18T15:17:03ramgeisManual testing265266--2.064--
2016-12-23T23:58:59Gordon SpenceManual testing266267--4.128--
2018-11-12T14:47:29TJAOIManual testing267268--8.257--


ECM factoring results:
ECM Summary

B1B2factorcurvesGHz-days
50,0005,000,000121.781


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
1998-04-27T00:00:00ANONYMOUSv4_computersF8D74A0A96AACA370.380
1999-10-07T00:00:00ANONYMOUSv4_computersF8D74A0A96AACA370.380


PRP results:
dateuseridcompidcofactorsres64PRP
2020-06-19T13:15:40Christoph ZengerManual testing
7127178770471996080564566376803041009
B358EB31EE183DEBno
2020-06-20T14:47:32Team_InspectorSpudBoy4
7127178770471996080564566376803041009
B358EB31EE183DEBno


P-1 factor-bounds graph:
B1 = 30,000,000, B2 = 600,000,000 (stage 2)
B1 = 30,000,000 (stage 1)
B1 = 240,000, B2 = 6,180,000 (stage 2)
B1 = 240,000 (stage 1)
B1 = 20,000, B2 = 245,000 (stage 2)
B1 = 20,000 (stage 1)
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TF factor-bounds graph:
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Last modified: 2020-06-20T14:47:32+00:00