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Q: What number is a prime number and a factor of 18?

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18 is not a prime number so no number can have 18 as a prime factor.

a factor is a factor , a prime number is a prime number, but a prime factor is a factor which is a prime number. it has to depend on what number number. exp 13 is a prime number

The GCF of a prime number and a composite number is 1 if the former is not a factor of the latter. 73 is a prime number and 18 is a composite number and 73 is not a factor of 18 because 18 is not divisible by 73. So, GCF(73, 18) = 1.

The prime factorization of 18 is 3 x 3 x 2.

18 = 2 * 3 * 3

what is the exponment of 14

The prime factorization of 18 is 2 x 3 x 3, so 2 and 3 are both prime factors of 18.

18 has two prime factors: 2 and 3

because it is not a prime number

1 is a factor of 18; neither 1 nor 18 is prime.

13 is a prime number. The only prime factor of a prime number is the number itself.

18 is a factor (composite).

Lots of numbers are. To be relatively prime, they would have to have only the number 1 as a common factor. So any number that has any of 2, 3, 6, 9 or 18 as factors are not relative prime to 18. So numbers such as 5, 7, 11, 13 and 17 are relatively prime with 18.

The 3 number that make the prime factorization of 18 are 2 x 3 x 3.

18 is a composite number because it has at least one positive factor other than one or itself.

Since 17 is a prime number, the greatest common factor of 17, 18, and 20 is 1.

A composite factor is a factor that is a composite number, as opposed to a prime factor which is a factor that is a prime number.

A composite factor is a factor that is a composite number, as opposed to a prime factor which is a factor that is a prime number.

what number is not a prime factor

That's a prime factor.

A prime number has only one prime factor, and that prime factor is the number itself.

Yes, 11 is a prime number which can be a prime factor of another number

2 is a prime number because its only factors are one and itself. Since 2 is a prime number, if it is a factor of your number, it is a prime factor.

In the number sentence 3 x 6, 3 and 6 are factors of 18. 3 is prime. The prime factorization of 18 is 2 x 3 x 3.

The GCF of 7 and 18 is 1 because 7 is a prime number and seven does not go into 18.