Problem 42454. Divisible by n, prime divisors (including powers)

Created by goc3

Solve Later

{"relationships":[{"relationshipType":"http://schemas.mathworks.com/matlab/code/2013/relationships/document","targetMode":"","relationshipId":"rId1","target":"/matlab/document.xml"},{"relationshipType":"http://schemas.mathworks.com/matlab/code/2013/relationships/output","targetMode":"","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\"?>\n<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>For this problem, you will be provided an array of numbers (not necessarily in order). Return the array of numbers with only prime divisors (including prime powers) remaining in the array. For example:</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"code\"/></w:pPr><w:r><w:t><![CDATA[n = 1:10;\nn_p = [2 3 4 5 7 8 9];]]></w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>Since the prime numbers in the 1:10 range are 2, 3, 5, and 7, while the prime powers in this range are 4 (2^2), 8 (2^3), and 9 (3^2). (Ignore one, as it is a trivial case since all integers are divisible by one.) Therefore, you should return the array including both sets joined together and sorted, as shown in the example above.</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>Previous problem:</w:t></w:r><w:r><w:t> </w:t></w:r><w:hyperlink w:docLocation=\"http://www.mathworks.com/matlabcentral/cody/problems/42453-divisible-by-n-prime-vs-composite-divisors\"><w:r><w:t>Divisible by n, prime vs. composite divisors</w:t></w:r></w:hyperlink><w:r><w:t>. Next problem:</w:t></w:r><w:r><w:t> </w:t></w:r><w:hyperlink w:docLocation=\"http://www.mathworks.com/matlabcentral/cody/problems/42455-divisible-by-n-prime-divisors-11-13-17-19\"><w:r><w:t>Divisible by n, prime divisors - 11, 13, 17, &amp; 19</w:t></w:r></w:hyperlink><w:r><w:t>.</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

216 Solutions
57 Solvers

Last Solution submitted on Mar 11, 2021

Last 200 Solutions

Problem Recent Solvers57

Problem Tags

divisibility divisible divisor overflow power precision prime string

Community Treasure Hunt

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

Start Hunting!

Problem 42454. Divisible by n, prime divisors (including powers)

Solution Stats

Last 200 Solutions

Problem Recent Solvers57

Suggested Problems

More from this Author139

Problem Tags

Community Treasure Hunt

Problem 42454. Divisible by n, prime divisors (including powers)

Solution Stats

Last 200 Solutions

Problem Recent Solvers57

Suggested Problems

More from this Author139

Problem Tags

Community Treasure Hunt

Players