19 YES, 19 is prime because 2,3,4,5,6,7,8,9,do not go in to 19. I stop at nine because 18 is one under 19 and 9 x 2=18. The only factors of 19 are 1 and itself, making it a Prime number.
19 is the eighth prime number.
Yes, 19 is prime.
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 a prime number
19 is prime.
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.