is 23174337-1
has 955,571 decimal digits
takes 0.270 GHz-days to do one L-L test
Last-known PrimeNet details:
0 L-L tests remaining
ResidueStatus
L-LEDC601E5159D4B63double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual26818.777167.6471%3,000,000120,000,0001.15698.2951%19.934075.9421%12.6088%
PrimeNet2600.048463.3333%13,000240,0000.00312.6536%0.051565.9869%2.6536%
GPU722641.121365.6250%15,000260,0000.00351.5823%1.124867.2073%1.5823%
Difference+4+17.6558+2.0221%+2,985,000+119,740,000+1.1534+6.7127%+18.8092+8.7348%+8.7348%

Known prime factors (1 factor, 127.0 bits, 0.00400175% known):
Remaining cofactor is not a probable-prime

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
317433717360244359274861993266610201962669467339127.02927344677580349632054294503390728
23 × 3 × 7 × 17 × 89 × 1319 × 96001 × 201211 × 875327 × 4823719
875,3274,823,7192019-08-285.772e+100.13460.2198

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2003-02-16T00:00:00ANONYMOUSv4_computers2,048204,800---0.002--0.252%
2003-02-24T00:00:00ANONYMOUSv4_computers4,096409,600---0.003--0.509%
2004-02-14T00:00:00ANONYMOUSv4_computers2,048204,800---0.002--0.252%
2017-01-30T01:30:34Jocelyn Larouche low 4MManual testing157,286157,286---0.019--1.108%
2017-02-04T18:42:42Jocelyn Larouche low 4MManual testing188,743188,743---0.023--1.219%
2017-03-15T21:59:27Jocelyn Larouche low 4MManual testing262,1442,621,4406---0.048--3.126%
2017-03-17T00:42:28Jocelyn Larouche low 4MManual testing314,5723,145,7206---0.058--3.341%
2017-03-19T01:08:41Jocelyn Larouche low 4MManual testing377,4863,774,8606---0.069--3.564%
2017-03-20T00:25:08Jocelyn Larouche low 4MManual testing452,9834,529,8306---0.083--3.794%
2017-03-21T02:10:23Jocelyn Larouche low 4MManual testing543,5795,435,7906---0.100--4.031%
2017-03-24T21:04:51Jocelyn Larouche low 4MManual testing652,2946,522,9406---0.120--4.274%
2019-08-28T06:34:09mikrMSI3,000,000120,000,0001239127.0291.1570.5402.3148.295%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1998-07-21T00:00:00ANONYMOUSv4_computers?259--0.012--
1998-08-16T00:00:00ANONYMOUSv4_computers?260--0.024--
2009-04-10T08:17:00S485122USB-A260261--0.048--
2011-10-24T00:25:00markroldgamer261262--0.097--
2013-01-03T08:45:00dbaughManual testing262263--0.309--
2015-02-15T12:51:00VictordeHollanderManual testing263264--0.618--
2015-02-15T12:51:00VictordeHollanderManual testing264265--1.177--
2015-06-17T22:19:00ThaManual testing265266--2.354--
2017-04-25T10:21:54Gordon SpenceManual testing266267--4.708--
2019-01-07T14:44:21TJAOIManual testing267268--9.416--


ECM factoring results:
ECM Summary

B1B2factorcurvesGHz-days
33,3344,000,00020.170
50,0005,000,000151.759


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
1998-10-18T00:00:00ANONYMOUSv4_computersEDC601E5159D4B630.270


PRP results:
dateuseridcompidcofactorsres64PRP
2019-08-29T13:55:38mnd9office
173602443592748619932666102019626694673
53F3343D232B6279no
2019-08-29T15:26:46ATHec2-PRPCFDC
173602443592748619932666102019626694673
53F3343D232B6279no


P-1 factor-bounds graph:
B1 = 3,000,000, B2 = 120,000,000 (stage 2)
B1 = 3,000,000 (stage 1)
B1 = 652,294, B2 = 6,522,940 (stage 2)
B1 = 543,579, B2 = 5,435,790 (stage 2)
B1 = 452,983, B2 = 4,529,830 (stage 2)
B1 = 652,294 (stage 1)
B1 = 377,486, B2 = 3,774,860 (stage 2)
B1 = 543,579 (stage 1)
B1 = 314,572, B2 = 3,145,720 (stage 2)
B1 = 452,983 (stage 1)
B1 = 262,144, B2 = 2,621,440 (stage 2)
B1 = 377,486 (stage 1)
B1 = 314,572 (stage 1)
B1 = 262,144 (stage 1)
B1 = 188,743 (stage 1)
B1 = 157,286 (stage 1)
B1 = 4,096, B2 = 409,600 (stage 2)
B1 = 2,048, B2 = 204,800 (stage 2)
B1 = 4,096 (stage 1)
B1 = 2,048 (stage 1)
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TF factor-bounds graph:
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Last modified: 2019-08-29T15:26:46+00:00