is 2 1435339 - 1
has 432081 decimal digits
takes 0.055 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
Actual26720.701768.6567%500000150000000.07144.9221%20.773170.1995%1.5427%
PrimeNet2560.006762.5000%65001100000.00072.7756%0.007463.5408%1.0408%
GPU722600.107065.0000%6000900000.00061.3541%0.107665.4740%0.4740%
Difference+7+20.5947+3.6567%+494000+14910000+0.0708+3.5679%+20.6655+4.7255%+4.7255%

Known prime factors (3 factors, 175.0 bits, 0.01219180% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
14353392746348935831237.99995669
7 × 79 × 173
-791732.178e-84.657e-68.901e-6
1435339173645973668549793772063.9136048953371592
23 × 163 × 4638767923
2017-06-0816346387679231.903013.99226.133
143533999984265664422591900572273.0823482949521486652
22 × 3 × 7 × 23 × 42589 × 42329449
2018-09-2142589423294492,617.00.12990.2385

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
1435339476892434995785927259605463779131101.912
1435339274591681607230993157540796670423134111.081
143533917361865162833612643951012745864945845448942136.995
143533947681739913972041752069296541256960255549166163644
087
53174.994
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2016-03-17T19:14:17alpertronManual testing5000001500000012-
skipped known factor: 274634893583
--0.071--4.922%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2017-06-08T15:22:30TJAOIManual testing263264*63.913200.7910.1111.608


ECM factoring results:

Old Calculation Method

Total ECM effort:25.483 GHz-days
Estimated T-Level:25.391
DigitsB1CurvesCompleteFacMiss
2011000301 / 1003.0104.855%
2550000301 / 2801.07534.064%
3025000050 / 6400.07892.479%

New Calculation Method

Total ECM effort:25.483 GHz-days
Estimated T-Level:25.391
DigitsB1CompleteFacMiss
201100012.2630.000%
25500001.35725.749%
302500000.11389.315%
3510000000.00899.236%


ECM Summary

B1B2factorcurvesGHz-days
50000500000025011.81
50000500000010.047
250000350000005013.62


Lucas-Lehmer results:
No L-L results for M1435339


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-28T13:09:08alpertronManual testing
274634893583
17364597366854979377
81EF743BCC711F__no
2017-10-18T06:42:19Oliver KruseThreadripper
274634893583
17364597366854979377
81EF743BCC711F__no
2018-09-23T13:23:22Oliver KruseGTX-5
274634893583
17364597366854979377
9998426566442259190057
C71000093D1C8B__no
2018-09-23T13:32:14ANONYMOUS
274634893583
17364597366854979377
9998426566442259190057
C71000093D1C8B__no


P-1 factor-bounds graph:
B1 = 500000, B2 = 15000000 (P-1 stage 2)
B1 = 500000 (P-1 stage 1)
100
101
102
103
104
105
106
100
101
102
103
104
105
106
107
108
109
1010
TF factor-bounds graph:
267
264
230
240
250
260
270
280
290
2100
Last modified: 2021-11-26T09:13:23+00:00