GCF for 90 and 265

What is the Greatest Common Factor of 90 and 265?

Answer: GCF of 90 and 265 is 5

(Five)

Finding GCF for 90 and 265 using all factors (divisors) listing

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

So the Greatest Common Factor for 90 and 265 is 5

Finding GCF for 90 and 265 by Prime Factorization

The second method to find GCF for numbers 90 and 265 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 265: 5, 53

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 265

GCF Table

Number 1Number 2GCF
752655
762651
772651
782651
792651
802655
812651
822651
832651
842651
852655
862651
872651
882651
892651
902655
912651
922651
932651
942651
952655
962651
972651
982651
992651
1002655
1012651
1022651
1032651
1042651

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 265? (The answer is: 5). Select the first number (e.g. '90') and the second number (e.g. '265'). 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 265?

GCF of 90 and 265 is 5