GCF for 20 and 795

"Greatest Common Factor" Calculator

Greatest Common Factor of

and

What is the Greatest common Divisor of 20 and 795?

Answer: GCF of 20 and 795 is 5

(Five)

Finding GCF for 20 and 795 using all factors (divisors) listing

The first method to find GCF for numbers 20 and 795 is to list all factors for both numbers and pick the highest common one:

All factors of 20: 1, 2, 4, 5, 10, 20

All factors of 795: 1, 3, 5, 15, 53, 159, 265, 795

So the Greatest Common Factor for 20 and 795 is 5

Finding GCF for 20 and 795 by Prime Factorization

The second method to find GCF for numbers 20 and 795 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 20: 2, 2, 5

All Prime Factors of 795: 3, 5, 53

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 20 and 795

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 20 and 795? (The answer is: 5). Select the first number (e.g. '20') and the second number (e.g. '795'). 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
57955
67953
77951
87951
97953
107955
117951
127953
137951
147951
1579515
167951
177951
187953
197951
207955
217953
227951
237951
247953
257955
267951
277953
287951
297951
3079515
317951
327951
337953
347951

FAQ

What is the Greatest common Divisor of 20 and 795?

GCF of 20 and 795 is 5

See Also