GCF for 90 and 235

What is the Greatest Common Factor of 90 and 235?

Answer: GCF of 90 and 235 is 5

(Five)

Finding GCF for 90 and 235 using all factors (divisors) listing

The first method to find GCF for numbers 90 and 235 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 235: 1, 5, 47, 235

So the Greatest Common Factor for 90 and 235 is 5

Finding GCF for 90 and 235 by Prime Factorization

The second method to find GCF for numbers 90 and 235 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 235: 5, 47

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 235

GCF Table

Number 1Number 2GCF
752355
762351
772351
782351
792351
802355
812351
822351
832351
842351
852355
862351
872351
882351
892351
902355
912351
922351
932351
9423547
952355
962351
972351
982351
992351
1002355
1012351
1022351
1032351
1042351

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 235? (The answer is: 5). Select the first number (e.g. '90') and the second number (e.g. '235'). 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 235?

GCF of 90 and 235 is 5