Factor test

factor?  val (number), factor (number)

Test to see if factor is indeed a factor of val. In other words, can val be divided exactly by factor.

Introduced in v2.1

Examples

# Example 1

factor?(10, 2)

# true - 10 is a multiple of 2 (2 * 5 = 10)

# Example 2

factor?(11, 2)

#false - 11 is not a multiple of 2

# Example 3

factor?(2, 0.5)

#true - 2 is a multiple of 0.5 (0.5 * 4 = 2)