GCD of 25, 31, 78 Calculator

Given Input numbers are 25, 31, 78

To find the GCD of numbers using factoring list out all the divisors of each number

Divisors of 25

List of positive integer divisors of 25 that divides 25 without a remainder.

1, 5, 25

Divisors of 31

List of positive integer divisors of 31 that divides 31 without a remainder.

1, 31

Divisors of 78

List of positive integer divisors of 78 that divides 78 without a remainder.

1, 2, 3, 6, 13, 26, 39, 78

Greatest Common Divisior

We found the divisors of 25, 31, 78 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 25, 31, 78 is 1.

Therefore, GCD of numbers 25, 31, 78 is 1

Given Input Data is 25, 31, 78

Make a list of Prime Factors of all the given numbers initially

Prime Factorization of 25 is 5 x 5

Prime Factorization of 31 is 31

Prime Factorization of 78 is 2 x 3 x 13

The above numbers do not have any common prime factor. So GCD is 1

Step1:

Let's calculate the GCD of first two numbers

The formula of GCD is GCD(a, b) = ( a x b) / LCM(a, b)

LCM(25, 31) = 775

GCD(25, 31) = ( 25 x 31 ) / 775

GCD(25, 31) = 775 / 775

GCD(25, 31) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 78

The formula of GCD is GCD(a, b) = ( a x b) / LCM(a, b)

LCM(1, 78) = 78

GCD(1, 78) = ( 1 x 78 ) / 78

GCD(1, 78) = 78 / 78

GCD(1, 78) = 1

GCD of 25, 31, 78 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 35, 56, 82
• GCD of 84, 57, 16
• GCD of 76, 79, 56
• GCD of 67, 58, 54
• GCD of 40, 53, 41

1. What is the GCD of 25, 31, 78?

GCD of 25, 31, 78 is 1

2. Where do I get the detailed procedure to find GCD of 25, 31, 78?

You can find a detailed procedure to find GCD of 25, 31, 78 on our page.

3. How to find GCD of 25, 31, 78 on a calculator?

You can find the GCD of 25, 31, 78 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.