Quick Answer: What Factors Do 15 And 21 Have In Common?

What is the GCF of 15 and 27?

We found the factors and prime factorization of 15 and 27.

The biggest common factor number is the GCF number.

So the greatest common factor 15 and 27 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 LCM of 15 and 18?

Multiply the factors to get the LCM. The LCM of 15 and 18 is 90.

What is the HCF of 12 and 16?

The factors for 16 are 1, 2, 4, 8, 16. The two numbers (12 and 16) share common factors (1, 2, 4). The greatest of these is 4 and that is the greatest common factor.

What do 15 and 20 have in common?

Greatest common factor (GCF) of 15 and 20 is 5.

What is 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 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 are the common factors of 9 and 15?

What is the GCF of 9 and 15The factors of 9 are 9, 3, 1.The factors of 15 are 15, 5, 3, 1.The common factors of 9 and 15 are 3, 1, intersecting the two sets above.In the intersection factors of 9 ∩ factors of 15 the greatest element is 3.Therefore, the greatest common factor of 9 and 15 is 3.

What is a factor that 15 and 3 both have in common?

Greatest common factor (GCF) of 3 and 15 is 3.

What factors do 15 and 18 have in common?

The gcf of 15 and 18 can be obtained like this: The factors of 15 are 15, 5, 3, 1. The factors of 18 are 18, 9, 6, 3, 2, 1. The common factors of 15 and 18 are 3, 1, intersecting the two sets above.

What is the HCF of 15 and 30?

The common factors of 15 and 30 are 1, 3, 5, and 15. The greatest common factor is 15.

How many factors does 15 have?

Table of Factors and MultiplesFactorsMultiples1, 3, 5, 15151351, 2, 4, 8, 16161441, 17171531, 2, 3, 6, 9, 181816241 more rows

What is the HCF of 15 20 and 25?

step 3The common prime factor or the product of all common prime factors between all integers is the highest common factor of this group of integers (5, 10, 15, 20 & 25).

What the LCM of 15 and 9?

Least Common Multiple (LCM) of 9 and 15 is 45.

What do 15 and 25 have in common?

Greatest common factor (GCF) of 15 and 25 is 5.