GCF for 20 and 95

What is the Greatest common Divisor of 20 and 95?

Answer: GCF of 20 and 95 is 5

(Five)

Finding GCF for 20 and 95 using all factors (divisors) listing

The first method to find GCF for numbers 20 and 95 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 95: 1, 5, 19, 95

So the Greatest Common Factor for 20 and 95 is 5

Finding GCF for 20 and 95 by Prime Factorization

The second method to find GCF for numbers 20 and 95 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 95: 5, 19

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 95

GCF Table

Number 1Number 2GCF
5955
6951
7951
8951
9951
1095
11951
12951
13951
14951
1595
16951
17951
18951
1995
20955
21951
22951
23951
24951
25955
26951
27951
28951
29951
30955
31951
32951
33951
34951

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 95? (The answer is: 5). Select the first number (e.g. '20') and the second number (e.g. '95'). 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 20 and 95?

GCF of 20 and 95 is 5