19 is a prime.
19 is a prime number, so it has no prime factorization.
19 is a prime number.19 is a prime number.19 is a prime number.19 is a prime number.
19 is the prime number.
19 is a prime number
19 is prime.
19 is a prime number.
'19' & '1' , because '19' is a prime number.
19 is a prime number.
19 is a prime number
19 is a prime number, but it is not a factor of 200.
19 is prime.