Question: 40 is prime or composite?
Answer: A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number. The number 40 can be evenly divided by 1, 2, 4, 5, 8, 10, 20 and 40, with no remainder. Since 40 cannot be divided by just 1 and 40, it is a composite number.