GCF for 80 and 970

What is the Greatest common Divisor of 80 and 970?

Answer: GCF of 80 and 970 is 10

(Ten)

Finding GCF for 80 and 970 using all factors (divisors) listing

The first method to find GCF for numbers 80 and 970 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 970: 1, 2, 5, 10, 97, 194, 485, 970

So the Greatest Common Factor for 80 and 970 is 10

Finding GCF for 80 and 970 by Prime Factorization

The second method to find GCF for numbers 80 and 970 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 970: 2, 5, 97

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
659705
669702
679701
689702
699701
7097010
719701
729702
739701
749702
759705
769702
779701
789702
799701
8097010
819701
829702
839701
849702
859705
869702
879701
889702
899701
9097010
919701
929702
939701
949702

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 970? (The answer is: 10). Select the first number (e.g. '80') and the second number (e.g. '970'). 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 970?

GCF of 80 and 970 is 10