GCF for 80 and 460

What is the Greatest common Divisor of 80 and 460?

Answer: GCF of 80 and 460 is 20

(Twenty)

Finding GCF for 80 and 460 using all factors (divisors) listing

The first method to find GCF for numbers 80 and 460 is to list all factors for both numbers and pick the highest common one:

All factors of 80: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80

All factors of 460: 1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460

So the Greatest Common Factor for 80 and 460 is 20

Finding GCF for 80 and 460 by Prime Factorization

The second method to find GCF for numbers 80 and 460 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 80: 2, 2, 2, 2, 5

All Prime Factors of 460: 2, 2, 5, 23

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

Now we need to multiply them to find GCF: 2 × 2 × 5 = 20

GCF Table

Number 1Number 2GCF
654605
664602
674601
684604
6946023
7046010
714601
724604
734601
744602
754605
764604
774601
784602
794601
8046020
814601
824602
834601
844604
854605
864602
874601
884604
894601
9046010
914601
9246092
934601
944602

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 80 and 460? (The answer is: 20). Select the first number (e.g. '80') and the second number (e.g. '460'). 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 80 and 460?

GCF of 80 and 460 is 20