Why is two a composite number?
Two is not a composite number. Its only factors are 1 and 2. By definition, a prime number is a number that has only two factors: 1 and itself. 2 is a prime number.
12 is a composite number. A prime number is a number with two and only two factors: 1 (also known as unity) and itself. A composite number is a number with more than two factors; in other words, it has at least one factor besides 1 and itself. Since 12 is an even number, it is also divisible by 2, which means it has more than two factors, which in turn means it is a…
Product of two prime numbers is a composite number. e.g. 2 x 3 = 6, 3 x 17 = 51 etc. But, why the result is a composite number? Definition of composite number makes it much clear: A number which can be expressed as the product of prime numbers is called a composite number. Also, it has more than two factors. So, product of two primes is a composite number.