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Q: List all the factors of 18 that are prime?
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What are the prime and composite numbers of 33 18?

To find the prime and composite factors of a number, list all the factor pairs of the number. Then, go through them and list the primes and composites. 33 1 x 33 3 x 11 The prime factors are 3 and 11. The composite factor is 33. 1 is neither prime nor composite. 18 1 x 18 2 x 9 3 x 6 The prime factors are 2 and 3. The composite factors are 6, 9, and 18.


What are all the 18 factors that are prime?

The prime factors are: 2 x 3 x 3


What is the prime factors of 18 and 15?

Prime factors of 18 are 2 and 3 Prime factors of 15 are 3 and 5


What are factors of 18 that are prime numbers?

Prime factors of 18 are 2 and 3.


What are the prime factors for 18 and 21?

18 has prime factors 3 & 2 whereas 21 has prime factors 3 & 7.


What is the divisors of 36 that are also prime numbers and how do you get it?

-- List all the divisors (factors) of 36. The factors of 36 are 1, 2, 3, 4, 6, 9, 12, 18, and 36 . -- Check over the list, and mark all the ones that are prime numbers. There are only two of them, so I'll let you handle that part.


What prime factors do 18 and 70 have in common?

The prime factors of 18 are 2, 3, and 3. The prime factors of 70 are 2, 5, and 7. The prime factors that 18 and 70 have in common are a single 2.


Which list contains common factors of both 36 and 18?

The one that contains all the factors of 18.


What is the factors of 18 that are prime?

The factors of 18 are: 1 2 3 6 9 18 The prime factors are: 2 x 3 x 3


What are the prime factors in common of 18 and 90?

The prime factors of 18 are 2, 3, and 3. The prime factors of 90 are 2, 3, 3, and 5. The prime factors they have in common are 2, 3, and 3. Since 18 is a factor of 90, its prime factors will be the prime factors that the two numbers have in common.


What are the factors and prime factors of 18 and 21?

The factors of 18 are: 1, 2, 3, 6, 9, and 18.The prime factors of 18 are: 2 and 3.The factors of 21 are: 1, 3, 7, and 21.The prime factors of 21 are: 3 and 7.


What are the factors and prime factors of -18?

The factors of -18 are 1, 2, 3, 6, 9, 18 and their negative counterparts. The prime factors are 2 and 3.