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It is 211
19 is a prime number, but it is not a factor of 200.
There arer no prime numbers that can be divided by 3 exccept the number 3 itself. If any number other than 3 can be divided by 3, then it is a composite number, not a prime number.
Prime factorization of 200 = 2x2x2x5x5
200 is divisible by 2, among other numbers, therefore it can not be a prime number.