Question

What is a number that have exactly two factors ! please help

Answer 1

Prime no.

Explanation:

A number that only has two factors [ 1 and itself] is called a prime no.

For ex:

The factors of 2 are: 1,2

The factors of 3 is : 1,3

But if you look at the factors of 6, there are; 1,2,3,6 [ 4 FACTORS]

Thus, 6 is a composite no. [Has more than 2 factors]

Answer 2

A prime number is a number with exactly two factors. A prime number is only divisible by 1 and itself. Another way to think of prime numbers is that they are only ever found as answers in their own times tables.

Explanation: