GCF for 90 and 625

What is the Greatest Common Factor of 90 and 625?

Answer: GCF of 90 and 625 is 5

(Five)

Finding GCF for 90 and 625 using all factors (divisors) listing

The first method to find GCF for numbers 90 and 625 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 625: 1, 5, 25, 125, 625

So the Greatest Common Factor for 90 and 625 is 5

Finding GCF for 90 and 625 by Prime Factorization

The second method to find GCF for numbers 90 and 625 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 625: 5, 5, 5, 5

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 625

GCF Table

Number 1Number 2GCF
7562525
766251
776251
786251
796251
806255
816251
826251
836251
846251
856255
866251
876251
886251
896251
906255
916251
926251
936251
946251
956255
966251
976251
986251
996251
10062525
1016251
1026251
1036251
1046251

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 625? (The answer is: 5). Select the first number (e.g. '90') and the second number (e.g. '625'). 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 625?

GCF of 90 and 625 is 5