prime_plot, a Python code which plots the prime and composite numbers.
An N by N grid A of squares is displayed. If N is prime, then the squares A(N,1:N) are red. If N is composite, then A(N,D) is blue for each divisor of N.
prime_plot ( 'n_max' )where
The computer code and data files described and made available on this web page are distributed under the GNU LGPL license.
prime_plot is available in a MATLAB version and an Octave version a Python version.
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