is 2 15418567 - 1
has 4641452 decimal digits
takes 7.733 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
Actual2683.865864.7059%----3.865864.7059%0.0000%
PrimeNet2650.473263.0769%7000022000000.13534.2956%0.608564.6630%1.5861%
GPU722697.743165.2174%11000028000000.18663.1083%7.929666.2985%1.0812%
Difference-1-3.8773-0.5115%-110000-2800000-0.1866-3.1083%-4.0638-1.5927%-1.0812%

Known prime factors (4 factors, 191.1 bits, 0.00123921% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
15418567370045609928.46312
22 × 3
-442.325e-122.909e-65.920e-6
154185677273863167931239.40423588
22 × 5897
2008-09-08458975.252e-90.00020.0004
15418567646153105933698071755.8432095373409
3 × 19 × 5801 × 6337
2014-08-23580163370.00030.00420.0086
154185671892630492779160345992167.3596137504518997
179 × 34287734743
2022-04-11179342877347433.09241,358.52,537.3

11 Composite Factors:
exponentprime factorscomposite factordigitsbits*
154185672691661125759326119372167.867
15418567239106119592476815935274632684.306
15418567470002927809469792399032689512995.247
15418567700359603312434492740520257912995.822
1541856713766735231927540264168256272100733106.763
154185671222929071294079975185363750221395239338123.202
154185671739225196530382852954036226006358615938123.710
154185675094319922840382880926163270677573240826341135.226
15418567452539532950822242512172816837200086156469233746151.665
15418567889541872867684939295658575715478321419931843564949162.606
1541856732917106407632304978179000870670678617613642379046
61515241
58191.069
P-1 results:
No P-1 results for M15418567


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-08T11:31:00Will EdgingtonManual testing??39.404125.01727e-1016.211.05197e-9
2015-02-18T12:24:00TJAOIManual testing255256*55.843178.69195e-616.211.82237e-5
2022-04-11T02:29:27LordJuliusManual testing2126428.46392.32534e-1216.214.87553e-12
2022-04-11T02:29:27LordJuliusManual testing2126455.843170.00016.210.001
2022-04-11T02:29:27LordJuliusManual testing2126439.404125.25168e-916.211.10112e-8
2022-04-11T02:29:27LordJuliusManual testing264265--0.242--
2022-04-11T02:29:27LordJuliusManual testing265266--0.485--
2022-04-11T02:29:27LordJuliusManual testing266267--0.969--
2022-04-11T02:29:27LordJuliusManual testing26726867.359211.16515.742.372
2022-04-11T02:29:28LordJuliusManual testing267268
skipped known factors(?)
--1.939--


ECM factoring results:
No ECM results for M15418567


Lucas-Lehmer results:
No L-L results for M15418567


PRP results:
No PRP results for M15418567


P-1 factor-bounds graph:
100
101
102
103
104
100
101
102
103
104
105
106
107
108
109
1010
1011
TF factor-bounds graph:
268
267
266
265
264
256
2
220
230
240
250
260
270
280
290
2100
Last modified: 2022-04-11T02:29:28+00:00