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Q: Which of the numbers are prime numbers 105 27 19 9?

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It is19 because it has only two factors

19 is prime

19 is prime.

105

19 is the prime number.

9 is the prime number.

19 is the prime number out of the provided choices.

19

19

19 is the only one that only has 1 and itself as factors. It is the prime number.

They are 13 and 19 which are prime numbers

They are 13 and 19

The prime numbers from 1 to 27 are 2, 3, 5, 7, 11, 13, 17, 19, and 23.

They are all prime numbers except for 15 21 25 and 27 which are composite numbers

13,19.

Any number whose digits total 3, 6 or 9 is divisible by 3 and, therefore, not prime.

There are 9 prime numbers from 0 to 27:2, 3, 5, 7, 11, 13, 17, 19 and 23

The set of prime numbers or any subset of it.

The prime numbers: 19, 23, 29 and 61.

the prime numbers of 1-27: 2, 3, 5, 7, 11, 13, 17, 19, 23

Prime

No, neither 27 nor 57 are prime numbers.

Neither 27 nor 52 are prime numbers. Both are composite numbers, instead.

19 is prime.

23 and 27 are prime numbers whereas 36 and 39 are composite numbers.