Question

What is the smallest composite number without 2, 3, or 5, as a factor?

Answer 1

77

Explanation:

A composite number is the product of prime numbers. The two smallest prime numbers that aren't 2, 3, or 5 are 7 and 11. Therefore, the smalls composite number without 2, 3, or 5 as a factor is 7 * 11 = 77.