GCD of 18, 739, 620, 815 Calculator

Given Input numbers are 18, 739, 620, 815

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

Divisors of 18

List of positive integer divisors of 18 that divides 18 without a remainder.

1, 2, 3, 6, 9, 18

Divisors of 739

List of positive integer divisors of 739 that divides 739 without a remainder.

1, 739

Divisors of 620

List of positive integer divisors of 620 that divides 620 without a remainder.

1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620

Divisors of 815

List of positive integer divisors of 815 that divides 815 without a remainder.

1, 5, 163, 815

Greatest Common Divisior

We found the divisors of 18, 739, 620, 815 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 18, 739, 620, 815 is 1.

Therefore, GCD of numbers 18, 739, 620, 815 is 1

Given Input Data is 18, 739, 620, 815

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

Prime Factorization of 18 is 2 x 3 x 3

Prime Factorization of 739 is 739

Prime Factorization of 620 is 2 x 2 x 5 x 31

Prime Factorization of 815 is 5 x 163

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(18, 739) = 13302

GCD(18, 739) = ( 18 x 739 ) / 13302

GCD(18, 739) = 13302 / 13302

GCD(18, 739) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 620

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

LCM(1, 620) = 620

GCD(1, 620) = ( 1 x 620 ) / 620

GCD(1, 620) = 620 / 620

GCD(1, 620) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 815

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

LCM(1, 815) = 815

GCD(1, 815) = ( 1 x 815 ) / 815

GCD(1, 815) = 815 / 815

GCD(1, 815) = 1

GCD of 18, 739, 620, 815 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 19, 569, 954, 699
• GCD of 75, 806, 379, 594
• GCD of 26, 171, 679, 728
• GCD of 69, 906, 401, 420
• GCD of 97, 831, 259, 853

1. What is the GCD of 18, 739, 620, 815?

GCD of 18, 739, 620, 815 is 1

2. Where do I get the detailed procedure to find GCD of 18, 739, 620, 815?

You can find a detailed procedure to find GCD of 18, 739, 620, 815 on our page.

3. How to find GCD of 18, 739, 620, 815 on a calculator?

You can find the GCD of 18, 739, 620, 815 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.