GCF for 31 and 62

What is the Greatest common Divisor of 31 and 62?

Answer: GCF of 31 and 62 is 31

(Thirty-one)

Finding GCF for 31 and 62 using all factors (divisors) listing

The first method to find GCF for numbers 31 and 62 is to list all factors for both numbers and pick the highest common one:

All factors of 31: 1, 31

All factors of 62: 1, 2, 31, 62

So the Greatest Common Factor for 31 and 62 is 31

Finding GCF for 31 and 62 by Prime Factorization

The second method to find GCF for numbers 31 and 62 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 31: 31

All Prime Factors of 62: 2, 31

As we can see there is only one Prime Factor common to both numbers. It is 31

So 31 is the Greatest Common Factor of 31 and 62

Related Calculations

GCF Table

Number 1Number 2GCF
16622
17621
18622
19621
20622
2162
22622
23621
24622
25621
26622
27621
28622
29621
30622
3162
32622
33621
34622
35621
36622
37621
38622
39621
40622
41621
42622
43621
44622
45621

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 31 and 62? (The answer is: 31). Select the first number (e.g. '31') and the second number (e.g. '62'). 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 31 and 62?

GCF of 31 and 62 is 31