Verify wheter 223 is a prime number or not .

Verify whether 223 is a prime number or not.

Which is prime number ?

Each prime number has:

Assertion(A): sqrt(a) is an irrational number, when a is a prime number. Reason (R):Square root of any prime number is an irrational number.

Find the number which is a prime number

Exponent of a prime number in n!!