GCF for 78 and 130

"Greatest Common Factor" Calculator

Greatest Common Factor of

and

What is the Greatest common Divisor of 78 and 130?

Answer: GCF of 78 and 130 is 26

(Twenty-six)

Finding GCF for 78 and 130 using all factors (divisors) listing

The first method to find GCF for numbers 78 and 130 is to list all factors for both numbers and pick the highest common one:

All factors of 78: 1, 2, 3, 6, 13, 26, 39, 78

All factors of 130: 1, 2, 5, 10, 13, 26, 65, 130

So the Greatest Common Factor for 78 and 130 is 26

Finding GCF for 78 and 130 by Prime Factorization

The second method to find GCF for numbers 78 and 130 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 78: 2, 3, 13

All Prime Factors of 130: 2, 5, 13

As we can see there are Prime Factors common to both numbers: 2, 13

Now we need to multiply them to find GCF: 2 × 13 = 26

See Also

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 78 and 130? (The answer is: 26). Select the first number (e.g. '78') and the second number (e.g. '130'). 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

"Greatest Common Factor" Calculator

Greatest Common Factor of

and

GCF Table

Number 1Number 2GCF
631301
641302
6513065
661302
671301
681302
691301
7013010
711301
721302
731301
741302
751305
761302
771301
7813026
791301
8013010
811301
821302
831301
841302
851305
861302
871301
881302
891301
9013010
9113013
921302

FAQ

What is the Greatest common Divisor of 78 and 130?

GCF of 78 and 130 is 26

See Also