If a and b are integers, then a × b is also an integer.
If a and b are integers, then a × b = b × a
If a, b, c are integers, then (a × b) × c = a × (b × c)
If a, b, c are integers, then a × (b + c) = (a × b) + (a × c)
If a is any integer, then a × 1 = 1 × a = a
If a is any integer, then a × 0 = 0 × a = 0