All numbers have factors. Some factors are prime numbers. These are known as prime factors.
2 and 3 are prime factors of 6.
1 and 6 are not prime factors of 6.
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The least common factor of any set of positive integers is 1, and 1 does not have a prime factorization.
It is a factor of 132, not a prime factor.
9 is not a prime factor, but it does have one prime factor, which is three. Prime factors are factors of a number that are prime.
No. The smallest prime factor is 2.
Yes, 13 is a prime factor.