GCF for 90 and 965

What is the Greatest Common Factor of 90 and 965?

Answer: GCF of 90 and 965 is 5

(Five)

Finding GCF for 90 and 965 using all factors (divisors) listing

The first method to find GCF for numbers 90 and 965 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 965: 1, 5, 193, 965

So the Greatest Common Factor for 90 and 965 is 5

Finding GCF for 90 and 965 by Prime Factorization

The second method to find GCF for numbers 90 and 965 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 965: 5, 193

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 965

GCF Table

Number 1Number 2GCF
759655
769651
779651
789651
799651
809655
819651
829651
839651
849651
859655
869651
879651
889651
899651
909655
919651
929651
939651
949651
959655
969651
979651
989651
999651
1009655
1019651
1029651
1039651
1049651

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 965? (The answer is: 5). Select the first number (e.g. '90') and the second number (e.g. '965'). 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 965?

GCF of 90 and 965 is 5