GCF for 90 and 785

What is the Greatest common Divisor of 90 and 785?

Answer: GCF of 90 and 785 is 5

(Five)

Finding GCF for 90 and 785 using all factors (divisors) listing

The first method to find GCF for numbers 90 and 785 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 785: 1, 5, 157, 785

So the Greatest Common Factor for 90 and 785 is 5

Finding GCF for 90 and 785 by Prime Factorization

The second method to find GCF for numbers 90 and 785 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 785: 5, 157

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 90 and 785

GCF Table

Number 1Number 2GCF
757855
767851
777851
787851
797851
807855
817851
827851
837851
847851
857855
867851
877851
887851
897851
907855
917851
927851
937851
947851
957855
967851
977851
987851
997851
1007855
1017851
1027851
1037851
1047851

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 785? (The answer is: 5). Select the first number (e.g. '90') and the second number (e.g. '785'). 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 785?

GCF of 90 and 785 is 5