is 2893999-1
has 269,121 decimal digits
takes 0.022 GHz-days to do one L-L test
Last-known PrimeNet details:
0 L-L tests remaining
ResidueStatus
L-LE28941ECF328FCA1double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2643.981468.7500%8,939,990268,199,7000.811011.9222%4.792480.6722%30.6722%
PrimeNet2400.000050.0000%8,000340,0000.000923.1326%0.000973.1326%23.1326%
GPU722440.000054.5455%15,000600,0000.001617.9738%0.001772.5192%17.9738%
Difference+20+3.9814+14.2045%+8,924,990+267,599,700+0.8094-6.0516%+4.7907+8.1530%+8.1530%

Known prime factors (1 factor, 118.4 bits, 0.01324773% known):
Remaining cofactor is not a probable-prime

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
89399944912896602700240946168011535290294336118.435251190977857359129854552474529
3 × 7 × 4871 × 46559 × 1177651 × 1231229 × 36375379
1,231,22936,375,3792015-11-021.465e+110.11060.1302

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2002-01-08T00:00:00ANONYMOUSv4_computers2,000200,000---0.000--0.398%
2002-02-17T00:00:00ANONYMOUSv4_computers4,096409,600---0.001--0.779%
2002-04-20T00:00:00ANONYMOUSv4_computers8,192819,200---0.002--1.314%
2002-05-25T00:00:00ANONYMOUSv4_computers16,3841,638,400---0.004--2.020%
2002-07-14T00:00:00ANONYMOUSv4_computers32,7683,276,800---0.007--2.888%
2002-12-25T00:00:00ANONYMOUSv4_computers65,5376,553,700---0.015--3.900%
2003-08-25T00:00:00ANONYMOUSv4_computers131,07213,107,200---0.029--5.041%
2011-06-08T21:53:00Jocelyn LaroucheManual testing200,000200,000---0.007--1.704%
2011-07-12T13:44:00Jocelyn LaroucheManual testing230,503230,503---0.008--1.821%
2011-09-11T15:18:00Jocelyn LaroucheManual testing384,172384,172---0.014--2.281%
2011-10-08T20:48:00Jocelyn LaroucheManual testing768,345768,345---0.027--2.997%
2012-11-05T22:19:00Jocelyn LaroucheManual testing1,862,8941,862,894---0.066--4.063%
2015-04-08T16:59:00Jocelyn LaroucheManual testing2,049,1832,049,183---0.072--4.187%
2015-05-01T17:21:00Jocelyn LaroucheManual testing2,479,5112,479,511---0.087--4.442%
2015-05-22T00:28:00Jocelyn LaroucheManual testing2,727,4622,727,462---0.096--4.572%
2015-06-08T13:43:00Jocelyn LaroucheManual testing3,000,2083,000,208---0.105--4.704%
2015-06-25T21:15:00Jocelyn LaroucheManual testing3,300,2283,300,228---0.116--4.837%
2015-07-07T18:13:00Jocelyn LaroucheManual testing3,630,2503,630,250---0.128--4.973%
2015-09-17T01:50:00Jocelyn LaroucheManual testing3,993,2753,993,275---0.140--5.110%
2015-09-20T11:32:00Jocelyn LaroucheManual testing4,392,6024,392,602---0.154--5.249%
2015-09-22T10:47:00Jocelyn LaroucheManual testing4,831,8624,831,862---0.170--5.389%
2015-09-27T21:23:17Jocelyn LaroucheManual testing5,315,0485,315,048---0.187--5.531%
2015-10-02T02:00:48Jocelyn LaroucheManual testing5,846,5525,846,552---0.206--5.675%
2015-10-07T06:14:19Jocelyn LaroucheManual testing6,473,9166,473,916---0.228--5.830%
2015-10-10T08:21:59Jocelyn LaroucheManual testing6,892,1596,892,159---0.242--5.926%
2015-10-12T20:08:45Jocelyn LaroucheManual testing7,310,4027,310,402---0.257--6.017%
2015-10-16T10:36:47Jocelyn LaroucheManual testing7,728,6457,728,645---0.272--6.104%
2015-10-23T01:59:48Jocelyn LaroucheManual testing8,146,8888,146,888---0.286--6.186%
2015-10-31T13:18:36Jocelyn LaroucheManual testing8,565,1318,565,131---0.301--6.265%
2015-11-02T11:59:14Sid & AndySpeck8,939,990268,199,7001236118.4350.8110.0431.62211.922%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2001-12-01T00:00:00ANONYMOUSv4_computers?257--0.021--
2003-08-31T00:00:00ANONYMOUSv4_computers?258--0.043--
2004-09-16T00:00:00Sturle Sundev4_computers?260--0.086--
2010-05-23T00:20:00For Researchm1_fw260261--0.172--
2014-06-04T23:33:00lycornManual testing261262--0.344--
2015-10-10T19:09:36Gordon SpenceManual testing262263--1.098--
2015-10-10T19:09:36Gordon SpenceManual testing263264--2.196--


ECM factoring results:
ECM Summary

B1B2factorcurvesGHz-days
50,0005,000,0002837.943
250,00025,000,000436.034


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2002-01-28T00:00:00ANONYMOUSv4_computersE28941ECF328FCA10.022
2015-04-11T21:20:00MadPooManual testingE28941ECF328FCA10.022


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-28T07:27:25Oliver KruseGTX-0
449128966027002409461680115352902943
A4612258E3BE2E__no
2017-10-14T15:51:41Oliver KruseThreadripperA4612258E3BE2E__no
2017-12-20T01:29:17ATHec2-1xf
449128966027002409461680115352902943
A4612258E3BE2E__no
2020-04-22T23:46:43Oliver KruseAddPrpType5
449128966027002409461680115352902943
566774D015AE40__no


P-1 factor-bounds graph:
B1 = 8,939,990, B2 = 268,199,700 (stage 2)
B1 = 8,939,990 (stage 1)
B1 = 8,565,131 (stage 1)
B1 = 8,146,888 (stage 1)
B1 = 7,728,645 (stage 1)
B1 = 7,310,402 (stage 1)
B1 = 6,892,159 (stage 1)
B1 = 6,473,916 (stage 1)
B1 = 5,846,552 (stage 1)
B1 = 5,315,048 (stage 1)
B1 = 4,831,862 (stage 1)
B1 = 4,392,602 (stage 1)
B1 = 3,993,275 (stage 1)
B1 = 3,630,250 (stage 1)
B1 = 3,300,228 (stage 1)
B1 = 3,000,208 (stage 1)
B1 = 2,727,462 (stage 1)
B1 = 2,479,511 (stage 1)
B1 = 2,049,183 (stage 1)
B1 = 1,862,894 (stage 1)
B1 = 131,072, B2 = 13,107,200 (stage 2)
B1 = 768,345 (stage 1)
B1 = 65,537, B2 = 6,553,700 (stage 2)
B1 = 384,172 (stage 1)
B1 = 230,503 (stage 1)
B1 = 32,768, B2 = 3,276,800 (stage 2)
B1 = 200,000 (stage 1)
B1 = 131,072 (stage 1)
B1 = 16,384, B2 = 1,638,400 (stage 2)
B1 = 65,537 (stage 1)
B1 = 8,192, B2 = 819,200 (stage 2)
B1 = 32,768 (stage 1)
B1 = 4,096, B2 = 409,600 (stage 2)
B1 = 16,384 (stage 1)
B1 = 2,000, B2 = 200,000 (stage 2)
B1 = 8,192 (stage 1)
B1 = 4,096 (stage 1)
B1 = 2,000 (stage 1)
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TF factor-bounds graph:
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Last modified: 2020-04-22T23:46:43+00:00