| grouping | page | description |
| M_factor::INTRO | M_factor | module for least common multiple, greatest common divisor, and prime factors |
| M_factor | greatest_common_divisor | calculate greatest common divisor of two integers or vector m(:), matrix m(:, :) or cuboid m(:, :, :) (LICENSE:MIT) |
| M_factor | i_is_prime | Determine if a number is prime using Sieve of Erasthosthenes (LICENSE:???) |
| M_factor | least_common_multiple | Least common multiple of two integers or vector m(:), matrix m(:, :) or cuboid m(:, :, :) (LICENSE:MIT) |
| M_factor | prime_factors | decompose a number into its prime factors |