Q: Is 19 composite number or prime number?

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19 is prime the only numebr that is neither prime or composite is 1

19 is a prime number.

231517 is composite number. 19 is a prime number.

19 is a prime number. Its only factors are 1 and 19. 21 is a composite number. Its factors are 1, 3, 7, and 21. 23 is a prime number. Its only factors are 1 and 23.

247 is not prime. 247 = 13 * 19

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19 is a prime number

19 is prime the only numebr that is neither prime or composite is 1

19 is a prime number.

231517 is composite number. 19 is a prime number.

361 is not prime. 361 = 19 * 19

It is divisible by 19, so it is composite.

13 and 19 are prime. 33 and 45 are composite.

19 is a prime number. Its only factors are 1 and 19. 21 is a composite number. Its factors are 1, 3, 7, and 21. 23 is a prime number. Its only factors are 1 and 23.

A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite. 19 is prime.

No, 19 is prime. A composite number needs to have 3 or more factors. 19 has only 2 factors, 1 and itself, which makes it prime.

Yes 19 is prime. Prime is when the number only has two factors. One and itself. A compostie number is a number that has more than two factors. The only number that is not prime or composite is 1. One is a special number. It is the only number that isn't prime or composite.

19 is a prime number. A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite.