GCF for 80 and 715

What is the Greatest common Divisor of 80 and 715?

Answer: GCF of 80 and 715 is 5

(Five)

Finding GCF for 80 and 715 using all factors (divisors) listing

The first method to find GCF for numbers 80 and 715 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 715: 1, 5, 11, 13, 55, 65, 143, 715

So the Greatest Common Factor for 80 and 715 is 5

Finding GCF for 80 and 715 by Prime Factorization

The second method to find GCF for numbers 80 and 715 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 715: 5, 11, 13

As we can see there is only one Prime Factor common to both numbers. It is 5

So 5 is the Greatest Common Factor of 80 and 715

GCF Table

Number 1Number 2GCF
6571565
6671511
677151
687151
697151
707155
717151
727151
737151
747151
757155
767151
7771511
7871513
797151
807155
817151
827151
837151
847151
857155
867151
877151
8871511
897151
907155
9171513
927151
937151
947151

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 715? (The answer is: 5). Select the first number (e.g. '80') and the second number (e.g. '715'). 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 715?

GCF of 80 and 715 is 5