is 2588167-1
has 177,056 decimal digits
takes 0.009 GHz-days to do one L-L test
Last-known PrimeNet details:
0 L-L tests remaining
ResidueStatus
L-L2F7F8137F588EB0Adouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual26625.109369.6970%10,000,000400,000,0000.688510.6096%25.797780.3065%30.3065%
PrimeNet2400.000050.0000%5,500200,0000.000420.0714%0.000470.0714%20.0714%
GPU722440.000054.5455%10,000340,0000.000615.2538%0.000669.7993%15.2538%
Difference+22+25.1093+15.1515%+9,990,000+399,660,000+0.6878-4.6443%+25.7971+10.5073%+10.5073%

Known prime factors (1 factor, 117.6 bits, 0.01999165% known):
Remaining cofactor is not a probable-prime

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
58816724911441305051074440100041768006266336117.584211771837803303096230322695493
32 × 11 × 1031 × 3011 × 2364643 × 7426411 × 39239099
7,426,41139,239,0992019-05-062.814e+110.20180.3330

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2000-12-07T00:00:00Alex Kruppav4_computers100,0004,000,000---0.007--2.880%
2002-05-05T00:00:00ANONYMOUSv4_computers16,3841,638,400---0.002--1.392%
2002-07-06T00:00:00ANONYMOUSv4_computers32,7683,276,800---0.005--2.071%
2002-09-22T00:00:00ANONYMOUSv4_computers65,5366,553,600---0.009--2.891%
2003-06-01T00:00:00ANONYMOUSv4_computers131,07213,107,200---0.018--3.841%
2011-07-02T01:29:00Jocelyn LaroucheManual testing396,685396,685---0.009--1.708%
2011-08-24T01:39:00Jocelyn LaroucheManual testing661,143661,143---0.015--2.129%
2012-03-05T12:57:00Jocelyn LaroucheManual testing826,428826,428---0.018--2.330%
2012-07-21T19:06:00Jocelyn LaroucheManual testing1,176,3341,176,334---0.026--2.668%
2013-10-16T18:14:00David Campeaui5-2500k1,240,00039,680,000---0.073--6.402%
2015-10-22T06:41:59Bruno Victal5820K-linux1,600,00066,000,00012---0.113--7.136%
2015-11-13T21:39:53Sid & AndyBullseye5,881,670176,450,10012---0.334--9.169%
2019-05-06T17:51:00alexlaptop10,000,000400,000,0001236117.5840.6880.0181.37710.610%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2000-04-12T00:00:00ANONYMOUSv4_computers?254--0.004--
2001-04-08T00:00:00ANONYMOUSv4_computers?256--0.016--
2002-01-08T00:00:00ANONYMOUSv4_computers?257--0.033--
2003-11-16T00:00:00ANONYMOUSv4_computers?258--0.065--
2016-02-23T16:28:15Mark RoseManual testing258260--0.196--
2016-02-23T16:28:15Mark RoseManual testing260261--0.261--
2015-07-13T15:32:00NRManual testing261262--0.522--
2015-09-06T20:52:00Gordon SpenceManual testing262263--1.669--
2015-09-06T20:52:00Gordon SpenceManual testing263264--3.338--
2017-11-13T20:53:44BloodERazorManual testing264265--6.353--
2018-06-04T01:37:41chuenkitManual testing265266--12.71--


ECM factoring results:
ECM Summary

B1B2factorcurvesGHz-days
50,0005,000,0003726.293
250,00025,000,000322.706


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2015-04-11T15:29:00MadPooManual testing2F7F8137F588EB0A0.009


PRP results:
dateuseridcompidcofactorsres64PRP
2019-05-07T19:30:56artorollofourth
249114413050510744401000417680062663
7E1E4D05DA0A5DCFno
2019-05-07T19:32:16ATHec2-PRPCFDC
249114413050510744401000417680062663
7E1E4D05DA0A5DCFno
2019-05-07T20:24:04matzetonibobuba
249114413050510744401000417680062663
7E1E4D05DA0A5DCFno


P-1 factor-bounds graph:
B1 = 10,000,000, B2 = 400,000,000 (stage 2)
B1 = 5,881,670, B2 = 176,450,100 (stage 2)
B1 = 10,000,000 (stage 1)
B1 = 5,881,670 (stage 1)
B1 = 1,600,000, B2 = 66,000,000 (stage 2)
B1 = 1,240,000, B2 = 39,680,000 (stage 2)
B1 = 1,600,000 (stage 1)
B1 = 1,240,000 (stage 1)
B1 = 1,176,334 (stage 1)
B1 = 131,072, B2 = 13,107,200 (stage 2)
B1 = 826,428 (stage 1)
B1 = 661,143 (stage 1)
B1 = 65,536, B2 = 6,553,600 (stage 2)
B1 = 396,685 (stage 1)
B1 = 100,000, B2 = 4,000,000 (stage 2)
B1 = 32,768, B2 = 3,276,800 (stage 2)
B1 = 131,072 (stage 1)
B1 = 16,384, B2 = 1,638,400 (stage 2)
B1 = 100,000 (stage 1)
B1 = 65,536 (stage 1)
B1 = 32,768 (stage 1)
B1 = 16,384 (stage 1)
103
104
105
106
107
103
104
105
106
107
108
109
TF factor-bounds graph:
266
265
264
263
262
261
260
258
257
256
254
250
260
270
280
290
2100
2110
2120
Last modified: 2019-05-07T20:24:04+00:00