Prime number is what?

Answer 1

All numbers that only have one and itself as factors are prime. Therefore, to tell if a number is prime simply find it's factors. If it has more than two factors than it is not a Prime number.

Answer 2

A prime number has only two factors which are itself and one whereas composite numbers have more than two factors

Answer 3

tow number having only 1 as a common factor are called co- prime number