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19 is a prime number so it does not have a prime factorization.

19 is a prime number

Q: What is the prime factor of 19?

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19 is a prime factor.

19 is prime. 1 and 19.

Is 19 a composite or prime factor

The prime factor of 19 = 19. The prime factors of 76 = 2 x 2 x 19 They have the prime factor 19 in common, so 19 is the GCF of 19 and 76.

It is a prime.

The largest prime factor of 38 is 19.

19 is a prime number. The only two factors of a prime number are 1 and itself.The two factors of 19 are 1 and 19. There are only two factors of a prime number.The only factor pair of 19 is 1 x 19. There is only one factor pair of a prime number.The proper factors of 19 are only 1 or,if the definition you are using excludes 1, there are none.The only prime factor of 19 is 19. There is only one prime factor of a prime number - itself.The only distinct prime factor (listing each prime factor only once) of 19 is 19.The prime factorization of 19 is 19. In some cases, to emphasize that it is prime, you might write the prime factorization as 1 x 19.NOTE: There cannot be common factors, a greatest common factor, or a least common multiple because "common" refers to factors or multiples that two or more numbers have in common.19 is a prime number. Its factors are 1 and 19.

19 is a prime number, but it is not a factor of 200.

Its factor are 1 and 19 because it is a prime number

19 is already prime. No need for a tree.19 is prime. No tree.

The prime factor of 19 is 19. The prime factors of 90 are 2, 3 and 5.