is 2 3546269 - 1
has 1067534 decimal digits
takes 0.372 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-L2CF61D05533400BEdouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual272269.673269.4444 %10638802172786001.95605.8776 %271.629271.2404 %
Target2641.003765.6250 %2000018000000.01781.9200 %1.021566.2850 %
Difference+8+268.6695+3.8194 %+1043880+215478600+1.9382+3.9576%+270.6077+4.9554 %

Known prime factors (1 factor, 105.1 bits, 0.00296354% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
35462694332504490779320873662572933340732105.0956108538989539881032237787
41 × 6803 × 4436209 × 4936748739841
2021-05-30443620949367487398413.620e+1040,96276,504

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2009-07-07Carsten Kossendeymother20000245000--0.0051.723%
2011-11-30USAFSSP4_2600600009900006--0.0173.164%
2014-08-07JossManual testing7809978099--0.0121.342%
2014-11-17JossManual testing9619896198--0.0151.498%
2015-12-11HBendtzManual testing5000001200000012--0.1596.991%
2022-04-06JossManual testing1000000147585900--1.62510.862%
2022-09-07JossManual testing1063880217278600--2.32311.455%


Trial Factoring results:
57585960616263646566676869707172
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2016-02-23Mark RoseManual testing212600.043
2009-03-17S485122USB-Z2602610.043
2011-06-26markroldgamer2612620.087
2012-06-20GrunwalderGIMPManual testing212630.450
2016-02-23Mark RoseManual testing2622630.277
2015-01-27VictordeHollanderManual testing2632640.554
2015-01-27VictordeHollanderManual testing2642651.054
2016-03-03ramgeisManual testing2652662.107
2017-01-13Gordon SpenceManual testing2662674.214
2018-10-01TJAOIManual testing2672688.429
2021-01-23axnManual testing26826916.86
2021-03-17ANONYMOUSManual testing26927033.72
2021-03-17ANONYMOUSManual testing27027167.43
2021-03-19ANONYMOUSManual testing271272134.9


ECM factoring results:
Total ECM effort:2.516 GHz-days
Estimated T-Level:3.462
DigitsB1CompleteFacMiss
20110000.69250.042%
25500000.06493.795%
302500000.00499.597%


ECM Summary

B1B2factorcurvesGHz-days
500005000000152.073
50000500000030.443


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
1999-07-27ANONYMOUSv4_computers2CF61D05533400BE0.372


PRP results:
dateuseridcompidcofactorsres64
2021-05-31mrhlanai
43325044907793208736625729333407
1CEBFADDBA6DEA60


CERT results:
dateuseridcompid
2021-05-31LindemoseLindemose2


P-1 factor-bounds graph:
B1 = 1063880, B2 = 217278600 (P-1 stage 2)
B1 = 1000000, B2 = 147585900 (P-1 stage 2)
B1 = 500000, B2 = 12000000 (P-1 stage 2)
B1 = 1063880 (P-1 stage 1)
B1 = 1000000 (P-1 stage 1)
B1 = 500000 (P-1 stage 1)
B1 = 60000, B2 = 990000 (P-1 stage 2)
B1 = 96198 (P-1 stage 1)
B1 = 78099 (P-1 stage 1)
B1 = 60000 (P-1 stage 1)
B1 = 20000, B2 = 245000 (P-1 stage 2)
B1 = 20000 (P-1 stage 1)
103
104
105
106
107
103
104
105
106
107
108
109
1010
1011
1012
1013
TF factor-bounds graph:
272
271
270
269
268
267
266
265
264
263
262
261
260
this exponent TF target: 64
TF double-checked to: 67
ECM T-Level=3.46 ~= -5-bit
250
260
270
280
290
2100
2110
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Last modified: 2024-02-29T14:28:04+00:00