What is the greatest common factor of 12 18 and 15?

As visible, 12, 15 and 18 have only one common prime factor i.e. 3. Hence, the HCF of 12, 15 and 18 is 3.

What is the GCF of 12 and 18 answer?

GCF of 12 and 18 by Listing Common Factors There are 4 common factors of 12 and 18, that are 1, 2, 3, and 6. Therefore, the greatest common factor of 12 and 18 is 6.

What is the greatest common factor of 12 15 and 15?

3
Explanation: The GCF of 12 and 15 is 3 .

What is the GCF of 18?

The factors of 18 are 1, 2, 3, 6, 9, 18. The factors of 27 are 1, 3, 9, 27. The common factors of 18 and 27 are 1, 3 and 9. The greatest common factor of 18 and 27 is 9.

What is the HCF 18 and 24?

6
Answer: HCF of 18 and 24 is 6.

What is the GCF of 18 and 36?

GCF of 18 and 36 by Prime Factorization As visible, 18 and 36 have common prime factors. Hence, the GCF of 18 and 36 is 2 × 3 × 3 = 18.

What is the HCF of 18 and 16?

So the greatest common factor 18 and 16 is 2.

How to find the GCF 12, 18, 21?

List all the factors for 12,18,21 12, 18, 21 to find the common factors. The common factors for 12,18,21 12, 18, 21 are 1,3 1, 3. The GCF (HCF) of the numerical factors 1,3 1, 3 is 3 3.

Which is the greatest common factor for 12 and 18?

Greatest Common Factor. We found the factors and prime factorization of 12 and 18. The biggest common factor number is the GCF number. So the greatest common factor 12 and 18 is 6.

Which is the greatest factor of 12 and 15?

List of positive integer factors of 15 that divides 12 without a remainder. We found the factors and prime factorization of 12 and 15. The biggest common factor number is the GCF number. So the greatest common factor 12 and 15 is 3.

How to calculate HCF for 9, 12, 15 and 21?

The Greatest or Highest Common Factor 3 divides each one of the integer of this group. By using this GCF calculator & the work with steps, grade school students, teachers or parents can verify the results or the workout for HCF of 9, 12, 15, 18 & 21.