 # What Is The GCF Of 15 And 9?

## What is the LCM for 15 and 10?

Least common multiple (LCM) of 10 and 15 is 30..

## What is the GCF of 7/15 and 21?

The common factors for 7,15,21 7 , 15 , 21 are 1 . The GCF (HCF) of the numerical factors 1 is 1 .

## What is the GCF of 12 and 9?

By making factor trees you can identify the largest common factors of two numbers. 9=3⋅3 and 12=2⋅2⋅3 , in this case the only common factor is 3 and therefore the greatest.

## What is the GCF of 12 and 15?

The factors of 12 are : 1, 2, 3, 4, 6, 12. The factors of 15 are : 1, 3, 5, 15. 1 and 3 are the only common factors (numbers which are factors of both 12 and 15). Therefore, the highest common factor of 12 and 15 is 3.

## What is the greatest common factor of 9?

Greatest common factor (GCF) of 9 and 12 is 3. We will now calculate the prime factors of 9 and 12, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 9 and 12.

## What is the common denominator of 15 and 9?

You need to know the least common denominator (LCD) of 9 and 15 if you want to add or subtract two fractions with 9 and 15 as denominators. The least common denominator, also called lowest common denominator (LCD), of 9 and 15 is 45.

## What is the GCF of 10 15 and 20?

We found the factors and prime factorization of 15 and 20. The biggest common factor number is the GCF number. So the greatest common factor 15 and 20 is 5.

## What is the GCF of 24 and 18?

We found the factors and prime factorization of 18 and 24. The biggest common factor number is the GCF number. So the greatest common factor 18 and 24 is 6.

## What do 15 and 20 have in common?

The factors of 20 are 20, 10, 5, 4, 2, 1. The common factors of 15 and 20 are 5, 1, intersecting the two sets above. In the intersection factors of 15 ∩ factors of 20 the greatest element is 5. Therefore, the greatest common factor of 15 and 20 is 5.

## What is the GCF of 3 and 20?

Greatest common factor (GCF) of 3 and 20 is 1.

## What is the GCF of 3 15 and 9?

We found the factors and prime factorization of 9 and 15. The biggest common factor number is the GCF number. So the greatest common factor 9 and 15 is 3.

## What is the GCF of 18 and 27?

Example: Find the GCF of 18 and 27 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 GCF of 3 and 9?

Greatest common factor (GCF) of 3 and 9 is 3.

## What is the GCF of 12 and 18?

In terms of numbers, the greatest common factor (gcf) is the largest natural number that exactly divides two or more given natural numbers. Example 1: 6 is the greatest common factor of 12 and 18.

## What is the GCF of 15?

The prime factors they have in common are 3 x 5. 3 x 5 = 15. The greatest common factor is 15. When two numbers have no prime factors in common, their greatest common factor is 1.

## What is the least common multiple for 9 12 and 15?

The LCM of 9,12,15 9 , 12 , 15 is 2⋅2⋅3⋅3⋅5=180 2 ⋅ 2 ⋅ 3 ⋅ 3 ⋅ 5 = 180 .

## What is the GCF of 27 and 36?

Answer and Explanation: The GCF for 27 and 36 is 9. The greatest common factor (GCF) of two or more numbers is the largest positive integer in common that divides each number…