is 2 1429063 - 1
has 430191 decimal digits
takes 0.055 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-LD5B91A8FA17CB34Ddouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual26720.792668.6567 %2500000625000000.31947.3958 %21.112070.9748 %
Target2600.107565.0000 %60004000000.00151.3035 %0.109065.4562 %
Difference+7+20.6851+3.6567 %+2494000+62100000+0.3179+6.0924%+21.0030+5.5186 %

Known prime factors (1 factor, 78.0 bits, 0.00545514% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
14290632934344979831611275315512477.957102666746666578425
3 × 52 × 311 × 4401575419789
2017-02-10311440157541978930,80613,27624,796

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2003-09-29Team Prime Ribv4_computers15000243750--0.0022.388%
2009-08-05markrlounge20000050000006--0.0307.179%
2014-11-10JossManual testing244913244913--0.0163.266%
2015-01-30JossManual testing404105404105--0.0263.937%
2015-02-20JossManual testing444515444515--0.0294.072%
2015-03-01JossManual testing488966488966--0.0324.209%
2015-03-05JossManual testing537862537862--0.0354.348%
2015-03-12JossManual testing591648591648--0.0384.490%
2015-03-24alpertronManual testing20000006000000012--0.33412.613%
2016-08-18Bruno Victal5820K.ECM25000006250000012--0.31912.812%
2016-08-27Bruno VictalManual testing25000006250000012---12.812%


Trial Factoring results:
5758596061626364656667
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2001-10-20ANONYMOUSv4_computers212570.013
2009-02-16Sturle Sundegobi.ifi2602610.107
2011-05-07GrunwalderGIMPManual testing212631.117
2016-02-23Mark RoseManual testing2572630.996
2015-03-20snme2pm1Manual testing2632653.988
2015-10-11ramgeisManual testing2652665.229


ECM factoring results:
Total ECM effort:29.306 GHz-days
Estimated T-Level:25.704
DigitsB1CompleteFacMiss
201100014.6540.000%
25500001.65119.189%
302500000.14186.866%
3510000000.01099.021%


ECM Summary

B1B2factorcurvesGHz-days
50000500000025013.34
50000500000010.047
250000350000005015.92


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2015-11-13MadPooManual testingD5B91A8FA17CB34D0.064


PRP results:
dateuseridcompidcofactorsres64
2017-09-30Oliver KruseGTX-2
293434497983161127531551
08E66405A1DA81F4
2017-10-26kkmrkkblmbrbkold
293434497983161127531551
08E66405A1DA81F4


CERT results:
No CERT results for M1429063


P-1 factor-bounds graph:
B1 = 2500000, B2 = 62500000 (P-1 stage 2)
B1 = 2000000, B2 = 60000000 (P-1 stage 2)
B1 = 2500000 (P-1 stage 1)
B1 = 2000000 (P-1 stage 1)
B1 = 591648 (P-1 stage 1)
B1 = 537862 (P-1 stage 1)
B1 = 488966 (P-1 stage 1)
B1 = 200000, B2 = 5000000 (P-1 stage 2)
B1 = 444515 (P-1 stage 1)
B1 = 404105 (P-1 stage 1)
B1 = 244913 (P-1 stage 1)
B1 = 200000 (P-1 stage 1)
B1 = 15000, B2 = 243750 (P-1 stage 2)
B1 = 15000 (P-1 stage 1)
101
102
103
104
105
106
107
101
102
103
104
105
106
107
108
109
1010
1011
1012
1013
TF factor-bounds graph:
266
265
263
261
257
this exponent TF target: 60
TF double-checked to: 67
ECM T-Level=25.7 ~= 69-bit
250
260
270
280
JSON version of this page
Last modified: 2024-03-13T02:15:48+00:00