is 245351479-1
has 13,652,156 decimal digits
takes 72.788 GHz-days to do one L-L test
Last-known PrimeNet details:
0 L-L tests remaining
ResidueStatus
L-L95E92DF4BE237928double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual27484.360364.8649%1,500,00030,000,0007.10444.9136%91.464869.7785%8.0138%
PrimeNet2681.314361.7647%200,0008,000,0001.45445.4152%2.768767.1799%5.4152%
GPU7227221.087263.8889%320,00010,000,0001.97214.0254%23.059267.9143%4.0254%
Difference+2+63.2732+0.9760%+1,180,000+20,000,000+5.1324+0.8882%+68.4055+1.8642%+1.8642%

Known prime factors (1 factor, 124.9 bits, 0.00027535% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
453514793896399401491201993015313738828030681738124.873429577985923149495633352303552
26 × 31 × 2539 × 37591 × 368717 × 528163 × 11649107
528,16311,649,1072020-01-073.803e+92.63922.7587

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2009-10-01T11:34:00ANONYMOUSv4_computers765,000765,000---1.780--1.714%
2009-10-25T00:00:00ANONYMOUSv4_computers765,000765,000---1.780--1.714%
2020-01-07T10:28:18Sid & AndyMagic_8_Ball1,500,00030,000,0001238124.8737.104145.614.214.914%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2007-02-20T00:00:001997rj7v4_computers?263--0.022--
2007-12-03T00:00:00ANONYMOUSv4_computers?268--0.659--
2014-07-23T08:12:00VictordeHollanderManual testing268269--1.318--
2015-08-16T23:20:00Bruno VictalManual testing269270--2.636--
2015-11-06T19:42:27ANONYMOUSManual testing270271--5.273--
2015-11-06T19:42:27ANONYMOUSManual testing271272--10.55--
2018-02-23T21:52:34-Anonymous-Manual testing272273--21.09--
2019-12-20T19:48:11-Anonymous-Manual testing273274--42.18--


ECM factoring results:
Exponent "45351479" not found


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2010-08-07T22:48:00bmossiMac-home95E92DF4BE23792872.79
2017-07-14T13:38:58RMAC9.5Antec_X4-94095E92DF4BE23792872.79


PRP results:
Exponent "45351479" not found


P-1 factor-bounds graph:
B1 = 1,500,000, B2 = 30,000,000 (stage 2)
B1 = 1,500,000 (stage 1)
B1 = 765,000 (stage 1)
104
105
106
107
104
105
106
107
108
TF factor-bounds graph:
274
273
272
271
270
269
268
263
250
260
270
280
290
2100
2110
2120
2130
Last modified: 2020-01-07T10:28:18+00:00