GCF for 90 and 940

What is the Greatest common Divisor of 90 and 940?

Answer: GCF of 90 and 940 is 10

(Ten)

Finding GCF for 90 and 940 using all factors (divisors) listing

The first method to find GCF for numbers 90 and 940 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 940: 1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940

So the Greatest Common Factor for 90 and 940 is 10

Finding GCF for 90 and 940 by Prime Factorization

The second method to find GCF for numbers 90 and 940 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 940: 2, 2, 5, 47

As we can see there are Prime Factors common to both numbers: 2, 5

Now we need to multiply them to find GCF: 2 × 5 = 10

GCF Table

Number 1Number 2GCF
759405
769404
779401
789402
799401
8094020
819401
829402
839401
849404
859405
869402
879401
889404
899401
9094010
919401
929404
939401
9494094
959405
969404
979401
989402
999401
10094020
1019401
1029402
1039401
1049404

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 Divisor of 90 and 940? (The answer is: 10). Select the first number (e.g. '90') and the second number (e.g. '940'). 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 Divisor of 90 and 940?

GCF of 90 and 940 is 10