factor2.m

factor2(n) returns the prime factorization of n as a k by 2 matrix.

Version 1.0.0.0 (554 Bytes)
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26 May 2004

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Given a nonnegative integer n, factor2(n) returns the prime factorization of n as a 2 by k matrix, with the k distinct prime factors in the left column and exponents in the right column.

Cite As

David Terr (2026). factor2.m (https://se.mathworks.com/matlabcentral/fileexchange/4966-factor2-m), MATLAB Central File Exchange. Retrieved .

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General Information

MATLAB Release Compatibility

  • Compatible with any release

Platform Compatibility

  • Windows
  • macOS
  • Linux
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Version Published Release Notes
1.0.0.0

I modified this program so that it sorts the prime factors by columns instead of by rows, allowing for more convenience, especially with large numbers. I also modified it so it now works with negative numbers as well.