GCF for 90 and 795

What is the Greatest Common Factor of 90 and 795?

Answer: GCF of 90 and 795 is 15

(Fifteen)

Finding GCF for 90 and 795 using all factors (divisors) listing

The first method to find GCF for numbers 90 and 795 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 795: 1, 3, 5, 15, 53, 159, 265, 795

So the Greatest Common Factor for 90 and 795 is 15

Finding GCF for 90 and 795 by Prime Factorization

The second method to find GCF for numbers 90 and 795 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 795: 3, 5, 53

As we can see there are Prime Factors common to both numbers: 3, 5

Now we need to multiply them to find GCF: 3 × 5 = 15

GCF Table

Number 1Number 2GCF
7579515
767951
777951
787953
797951
807955
817953
827951
837951
847953
857955
867951
877953
887951
897951
9079515
917951
927951
937953
947951
957955
967953
977951
987951
997953
1007955
1017951
1027953
1037951
1047951

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 Factor of 90 and 795? (The answer is: 15). Select the first number (e.g. '90') and the second number (e.g. '795'). 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 Factor of 90 and 795?

GCF of 90 and 795 is 15