Both 6 and 9 have the number 3 as a prime factor. 6 = 3 x 2 9 = 3 x 3
2 to the second power is 4, which isn't a factor of 54. 3 to the second power is 9, which is a factor of 54 but isn't prime. 4 divided by 9 is 4/9, which isn't prime and isn't a factor of 54.
6 and 9
23 is a prime number - it will not divide by 3, 9 or 6 !
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.
9 is a factor of 36, but it is not prime.
97 is the prime number 63 is not prime because it can be divided by 3, 21, 7 and 9 36 can be divided by 3, 12, 2, 18, 4, 9 and 6 27 can be divided by 3 and 9
The prime factor of 7 is 7. The prime factor of 8 is 2. The prime factor of 9 is 3. The prime factors of 10 are 2 and 5. The prime factor of 11 is 11.
6 and 9, among others.
9 is not prime, so it is not a prime factor of 72, great or otherwise.
Factors: 1, 2, 3, 4, 6, 9, 12, 18, 36.Prime Factors: 2, 3
12 is a multiple of 3. It is not a factor of 6. 6 is a factor of 12.