is 2 4479071 - 1
has 1348335 decimal digits
takes 0.559 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual26813.307466.1765%----13.307466.1765%0.0000%
PrimeNet2610.068662.2951%190004000000.00723.0619%0.075863.4496%1.1545%
GPU722651.628864.6154%260005500000.00992.0893%1.638765.3547%0.7393%
Difference+3+11.6786+1.5611%-26000-550000-0.0099-2.0893%+11.6687+0.8218%+0.8218%

Known prime factors (4 factors, 171.9 bits, 0.00383726% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
44790718958143723.0951
1
-112.496e-131.808e-73.681e-7
447907135832569825.0954
22
2008-09-07449.989e-137.234e-71.472e-6
4479071853108065409729931756.2449523270176
25 × 3 × 7 × 14171533
2015-08-0632141715330.00410.13960.2608
44790712002939063423259310072167.44122358867088993
3 × 7452955696331
2022-08-033745295569633113.26873,434137,155

11 Composite Factors:
exponentprime factorscomposite factordigitsbits*
44790713209932771593671548.190
44790717642264044393714304319992479.338
447907130569053618250660988090172581.338
447907117942614550431626425688400012890.535
447907171770452192909315432975669832892.535
44790712738419536869568309758330397543132104.433
44790716429299739187452336807029658579256935115.630
44790711708723469530593108257730312036829395138123.684
447907115306989187511195938587228990660538987909299345146.779
447907161227951623874375162569591189451219841149011945148.779
447907154848874624374886674194664532664411886145013290890
17
52171.874
P-1 results:
No P-1 results for M4479071


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-07T23:41:00Will EdgingtonManual testing??25.09588.64059e-161.2041.86154e-15
2015-03-19T12:26:00TJAOIManual testing256257*56.244170.0021.1990.004
2022-08-04T04:11:47J.R. AllenManual testing2126325.09589.98853e-131.2042.15194e-12
2022-08-04T04:11:47J.R. AllenManual testing2126356.244170.0041.1990.009
2022-08-04T04:11:47J.R. AllenManual testing2126323.09572.49551e-131.2045.37635e-13
2022-08-04T04:11:48J.R. AllenManual testing2126348.190151.64771e-51.2043.54979e-5
2022-08-10T07:41:22LordJuliusManual testing2126348.190151.64771e-51.2043.54979e-5
2022-08-10T07:41:22LordJuliusManual testing2126325.09589.98853e-131.2042.15194e-12
2022-08-10T07:41:22LordJuliusManual testing2126356.244170.0041.1990.009
2022-08-10T07:41:22LordJuliusManual testing2126323.09572.49551e-131.2045.37635e-13
2022-08-04T14:08:17J.R. AllenManual testing263264--0.438--
2022-08-10T07:41:22LordJuliusManual testing263264--0.438--
2022-08-04T14:08:17J.R. AllenManual testing264265--0.834--
2022-08-10T07:41:22LordJuliusManual testing264265--0.834--
2022-08-10T07:41:22LordJuliusManual testing265266--1.668--
2022-08-10T07:41:22LordJuliusManual testing266267--3.337--
2022-08-03T11:20:47TJAOIManual testing267268*67.441216.6341.13513.48
2022-08-10T07:41:22LordJuliusManual testing26726867.441216.6341.13513.48


ECM factoring results:

Old Calculation Method

Total ECM effort:0.554 GHz-days
Estimated T-Level:0.150
DigitsB1CurvesCompleteFacMiss
20110003 / 1000.03097.030%
25500003 / 2800.01198.932%

New Calculation Method

Total ECM effort:0.554 GHz-days
Estimated T-Level:0.150
DigitsB1CompleteFacMiss
20110000.11589.102%
25500000.01198.938%


ECM Summary

B1B2factorcurvesGHz-days
50000500000030.554


Lucas-Lehmer results:
No L-L results for M4479071


PRP results:
dateuseridcompidcofactorsres64PRP
2017-11-17T13:47:30Oliver KruseGTX-3
8958143
35832569
85310806540972993
8C5FD0C0128665__no
2018-01-01T09:08:58kkmrkkblmbrbkc4.xlarge
8958143
35832569
85310806540972993
8C5FD0C0128665__no
2022-08-04T07:38:54Wentao HuangBiolake2
8958143
35832569
85310806540972993
200293906342325931007
8C5FD0C0128665E8no


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
1013
TF factor-bounds graph:
268
267
266
265
264
263
257
2
220
230
240
250
260
270
280
290
2100
Last modified: 2022-08-10T07:41:22+00:00