is 2 1699501 - 1
has 511601 decimal digits
takes 0.080 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
Actual26717.483968.6567%500000150000000.08805.0236%17.571970.2313%1.5746%
PrimeNet2570.011363.1579%80001300000.00102.7311%0.012364.1641%1.0062%
GPU722610.180765.5738%70001000000.00081.3012%0.181666.0217%0.4480%
Difference+6+17.3032+3.0829%+493000+14900000+0.0872+3.7223%+17.3904+4.2095%+4.2095%

Known prime factors (3 factors, 166.2 bits, 0.00978153% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
16995012704110031131237.97679556
22 × 19889
-4198891.314e-87.420e-50.0001
169950175398654315132091652.7432218258604
22 × 292 × 223 × 2957
2014-08-2284129570.00056.526e-50.0001
1699501540718817835274689510232375.51715908164156281011
47 × 338471577793213
2019-05-01473384715777932137,203.01,258,4162,350,371

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
169950120388625746725194471996196172890.720
16995011462163179329121439863609129753459935113.494
169950140769471227648756476098649859879856280739128.261
169950111024513611055091819128890917355068830526360301819
1
51166.237
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2016-03-17T19:18:55alpertronManual testing5000001500000012-
skipped known factor: 270411003113
skipped known factor: 7539865431513209
--0.088--5.024%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2014-08-22T11:32:00TJAOIManual testing??52.743160.0000.1730.000


ECM factoring results:

Old Calculation Method

Total ECM effort:15.632 GHz-days
Estimated T-Level:24.696
DigitsB1CurvesCompleteFacMiss
2011000263 / 1002.6307.113%
2550000263 / 2800.93939.025%

New Calculation Method

Total ECM effort:15.632 GHz-days
Estimated T-Level:24.696
DigitsB1CompleteFacMiss
20110008.4840.021%
25500000.76746.451%
302500000.04795.388%
3510000000.00299.784%


ECM Summary

B1B2factorcurvesGHz-days
50000500000026115.51
50000500000020.119


Lucas-Lehmer results:
No L-L results for M1699501


PRP results:
dateuseridcompidcofactorsres64PRP
2017-10-03T03:05:43Oliver KruseGTX-2
270411003113
7539865431513209
6FC94D98C873B2__no
2017-11-03T13:48:19kkmrkkblmbrbkc4.xlarge
270411003113
7539865431513209
6FC94D98C873B2__no
2019-05-04T12:06:31ANONYMOUS
270411003113
7539865431513209
54071881783527468951023
32AC6E5628567F2Ano
2019-05-05T02:58:38kkmrkkblmbrbkc5.large
270411003113
7539865431513209
54071881783527468951023
32AC6E5628567F2Ano


P-1 factor-bounds graph:
B1 = 500000, B2 = 15000000 (P-1 stage 2)
B1 = 500000 (P-1 stage 1)
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TF factor-bounds graph:
267
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Last modified: 2020-02-24T10:26:44+00:00