GCF for 90 and 560

What is the Greatest common Divisor of 90 and 560?

Answer: GCF of 90 and 560 is 10

(Ten)

Finding GCF for 90 and 560 using all factors (divisors) listing

The first method to find GCF for numbers 90 and 560 is to list all factors for both numbers and pick the highest common one:

All factors of 90: 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90

All factors of 560: 1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560

So the Greatest Common Factor for 90 and 560 is 10

Finding GCF for 90 and 560 by Prime Factorization

The second method to find GCF for numbers 90 and 560 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 90: 2, 3, 3, 5

All Prime Factors of 560: 2, 2, 2, 2, 5, 7

As we can see there are Prime Factors common to both numbers: 2, 5

Now we need to multiply them to find GCF: 2 × 5 = 10

GCF Table

Number 1Number 2GCF
755605
765604
775607
785602
795601
80560
815601
825602
835601
8456028
855605
865602
875601
885608
895601
9056010
915607
925604
935601
945602
955605
9656016
975601
9856014
995601
10056020
1015601
1025602
1035601
1045608

About "Greatest Common Factor" Calculator

This calculator will help you find the greatest common factor (GCF) of two numbers. For example, it can help you find out what is the Greatest common Divisor of 90 and 560? (The answer is: 10). Select the first number (e.g. '90') and the second number (e.g. '560'). After that hit the 'Calculate' button.
Greatest Common Factor (GCF) also known as the Greatest Common Divisor (GCD) or Highest Common Factor (HCF) - it is the largest positive integer that divides each of the integers with zero remainder

FAQ

What is the Greatest common Divisor of 90 and 560?

GCF of 90 and 560 is 10