GCF for 100 and 790

What is the Greatest Common Factor of 100 and 790?

Answer: GCF of 100 and 790 is 10

(Ten)

Finding GCF for 100 and 790 using all factors (divisors) listing

The first method to find GCF for numbers 100 and 790 is to list all factors for both numbers and pick the highest common one:

All factors of 100: 1, 2, 4, 5, 10, 20, 25, 50, 100

All factors of 790: 1, 2, 5, 10, 79, 158, 395, 790

So the Greatest Common Factor for 100 and 790 is 10

Finding GCF for 100 and 790 by Prime Factorization

The second method to find GCF for numbers 100 and 790 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 100: 2, 2, 5, 5

All Prime Factors of 790: 2, 5, 79

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
857905
867902
877901
887902
897901
9079010
917901
927902
937901
947902
957905
967902
977901
987902
997901
10079010
1017901
1027902
1037901
1047902
1057905
1067902
1077901
1087902
1097901
11079010
1117901
1127902
1137901
1147902

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 100 and 790? (The answer is: 10). Select the first number (e.g. '100') and the second number (e.g. '790'). 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 100 and 790?

GCF of 100 and 790 is 10