is 2 14079067 - 1
has 4238222 decimal digits
takes 6.247 GHz-days to do one PRP test
Last-known PrimeNet details:
0 L-L tests remaining
ResidueStatus
L-L202937846EACD44Adouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual27267.925966.6667%60000001600000009.25787.6592%77.183874.3259%11.2490%
PrimeNet2650.518263.0769%6000019000000.10314.0052%0.621367.0822%4.0052%
GPU722698.479765.2174%9000024000000.13892.8555%8.618668.0729%2.8555%
Difference+3+59.4462+1.4493%+5910000+157600000+9.1190+4.8037%+68.5652+6.2530%+6.2530%

Known prime factors (1 factor, 71.2 bits, 0.00050570% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
1407906727091332417878280411912271.19896211391059785
3 × 5 × 263 × 24388185313
263243881853132020-09-2363.404854.821,596.6

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2002-01-02T00:00:00ANONYMOUSv4_computers205000205000---0.132--0.970%
2017-03-29T23:56:31ThaManual testing30000060000006---0.393--3.078%
2020-06-20T15:55:51masserManual testing600000016000000012---9.258--7.659%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2000-08-10T00:00:00Net_Forcev4_computers?256--0.001--
2000-09-08T00:00:00Hatchv4_computers?265--0.265--
2014-07-22T14:25:00NesowaManual testing265266--0.531--
2015-08-23T20:37:00ThaManual testing266267--1.062--
2018-02-11T22:39:37ramgeisManual testing267268--2.123--
2018-02-11T22:39:37ramgeisManual testing268269--4.246--
2020-06-20T15:48:27masserManual testing269270--8.492--
2020-06-20T15:48:27masserManual testing270271--16.98--
2020-09-23T21:45:10masserManual testing27127271.1982229.4512.7159.93


ECM factoring results:
ECM Summary

B1B2factorcurvesGHz-days
50000500000064.048


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2002-10-07T00:00:00ANONYMOUSv4_computers202937846EACD44A6.247
2005-06-19T00:00:00ANONYMOUSv4_computers202937846EACD44A6.247


PRP results:
Exponent "14079067" not found


P-1 factor-bounds graph:
B1 = 6000000, B2 = 160000000 (stage 2)
B1 = 6000000 (stage 1)
B1 = 300000, B2 = 6000000 (stage 2)
B1 = 300000 (stage 1)
B1 = 205000 (stage 1)
101
102
103
104
105
106
107
101
102
103
104
105
106
107
108
109
1010
1011
TF factor-bounds graph:
272
271
270
269
268
267
266
265
256
250
260
270
280
290
2100
Last modified: 2020-09-23T21:45:10+00:00