is 24650851-1
has 1,400,046 decimal digits
takes 0.612 GHz-days to do one L-L test
Last-known PrimeNet details:
0 L-L tests remaining
ResidueStatus
L-L5C7DAE2B1872FDA4double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2663.175465.1515%1,988,20361,634,3031.00008.8712%4.175474.0228%11.7277%
PrimeNet2610.066062.2951%20,000400,0000.00783.1164%0.073865.4115%3.1164%
GPU722651.568764.6154%28,000600,0000.01132.1912%1.580066.8066%2.1912%
Difference+1+1.6067+0.5361%+1,960,203+61,034,303+0.9887+6.6800%+2.5955+7.2162%+7.2162%

Known prime factors (1 factor, 130.8 bits, 0.00281327% known):
Remaining cofactor is not a probable-prime

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
4650851243839918509143654886030953871433253292140130.841262145485319937851036327495625460
22 × 5 × 43 × 53 × 179 × 980081 × 988459 × 1242763 × 26687389
1,242,76326,687,3892018-01-242.790e+100.50190.5185

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2001-03-25T00:00:00ANONYMOUSv4_computers25,000350,000---0.008--1.604%
2001-09-16T00:00:00Davekv4_computers25,000243,750---0.007--1.440%
2012-02-07T22:10:00Squeeky_SquirrelT7500_2200110,0002,090,000---0.042--3.441%
2018-01-24T22:40:42Ismo Laitela6600K1,988,20361,634,3031240130.8411.0001.2252.0008.871%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1998-04-11T00:00:00ANONYMOUSv4_computers?260--0.017--
2002-08-31T00:00:00ANONYMOUSv4_computers?261--0.033--
2010-07-21T07:25:00markroldgamer261262--0.066--
2011-12-09T05:26:00GrunwalderGIMPManual testing21263--0.343--
2016-02-23T16:38:57Mark RoseManual testing262263--0.211--
2015-02-03T23:12:00JayderManual testing263264--0.422--
2015-02-04T04:10:00monstManual testing264265--0.803--
2015-07-07T21:11:00snme2pm1Manual testing265266--1.607--


ECM factoring results:
ECM Summary

B1B2factorcurvesGHz-days
50,0005,000,00091.770


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
1998-04-27T00:00:00ANONYMOUSv4_computers5C7DAE2B1872FDA40.612
2000-02-09T00:00:00ANONYMOUSv4_computers9CA01A9B1C209A__0.612
2001-10-20T00:00:00Davekv4_computers5C7DAE2B1872FDA40.612


PRP results:
dateuseridcompidcofactorsres64PRP
2018-01-25T11:23:03NetaniasWin10
2438399185091436548860309538714332532921
EAD1D0E17C5934__no
2018-01-26T03:15:12kkmrkkblmbrbkc4.xlarge
2438399185091436548860309538714332532921
EAD1D0E17C5934__no


P-1 factor-bounds graph:
B1 = 1,988,203, B2 = 61,634,303 (stage 2)
B1 = 1,988,203 (stage 1)
B1 = 110,000, B2 = 2,090,000 (stage 2)
B1 = 110,000 (stage 1)
B1 = 25,000, B2 = 350,000 (stage 2)
B1 = 25,000, B2 = 243,750 (stage 2)
B1 = 25,000 (stage 1)
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TF factor-bounds graph:
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Last modified: 2018-01-26T03:15:12+00:00