Problem 365. Numbers with prime factors 2, 3 and 5.

Created by elias GR

Solve Later

{"relationships":[{"relationshipType":"http://schemas.mathworks.com/matlab/code/2013/relationships/document","relationshipId":"rId1","target":"/matlab/document.xml"},{"relationshipType":"http://schemas.mathworks.com/matlab/code/2013/relationships/output","relationshipId":"rId2","target":"/matlab/output.xml"}],"parts":[{"partUri":"/matlab/document.xml","relationship":[],"contentType":"application/vnd.mathworks.matlab.code.document+xml","content":"<?xml version=\"1.0\" encoding=\"UTF-8\"?><w:document xmlns:w=\"http://schemas.openxmlformats.org/wordprocessingml/2006/main\"><w:body><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>Make a function which takes one positive integer n and returns a matrix with the numbers of the form (2^i)*(3^j)*(5^k) which are lower or equal to n (i,j,k integers).</w:t></w:r></w:p></w:body></w:document>"},{"partUri":"/matlab/output.xml","contentType":"text/xml","content":"<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\" ?><embeddedOutputs><metaData><evaluationState>manual</evaluationState><layoutState>code</layoutState><outputStatus>ready</outputStatus></metaData><outputArray type=\"array\"/><regionArray type=\"array\"/></embeddedOutputs>"}]}

Solve

Solution Stats

901 Solutions
282 Solvers

Last Solution submitted on Sep 19, 2021

Last 200 Solutions

Problem Comments

3 Comments

3 Comments

Michael on 25 Mar 2020

The problem statement should specify that i, j, and k are non-negative integers or the number of answers becomes infinite.

Michael on 25 Mar 2020

Also, why is 1 not included in all of the answers. 2^0*3^0*5^0 = 1

Rafael S.T. Vieira on 16 Jul 2020

This problem requests the set of hamming numbers without the number one for some reason. https://rosettacode.org/wiki/Hamming_numbers

Problem Recent Solvers282

Problem Tags

factors primes

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Problem 365. Numbers with prime factors 2, 3 and 5.

Solution Stats

Last 200 Solutions

Problem Comments

Problem Recent Solvers282

Suggested Problems

More from this Author2

Problem Tags

Community Treasure Hunt

Problem 365. Numbers with prime factors 2, 3 and 5.

Solution Stats

Last 200 Solutions

Problem Comments

Problem Recent Solvers282

Suggested Problems

More from this Author2

Problem Tags

Community Treasure Hunt

Players