Prime & Composite Numbers. A prime number has only two factors, itself and one. A composite number has at least three factors, and sometimes a lot more.

What is prime and composite numbers examples?

A prime number has exactly two factors — 1 and the number itself. For example, the number 5 is prime because its only two factors are 1 and 5. A composite number has at least three factors. For example, the number 4 has three factors: 1, 2, and 4.

What is the difference between prime and composite?

Composite numbers are those numbers that retain more than two factors. It implies that the number except one and itself can be divided by other numbers also. ... A prime number is a positive integer which has only two factors i.e. one and itself. It implies that the number can be divided only by one and itself.