GCD of 858, 920, 602, 791 Calculator

Given Input numbers are 858, 920, 602, 791

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

Divisors of 858

List of positive integer divisors of 858 that divides 858 without a remainder.

1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858

Divisors of 920

List of positive integer divisors of 920 that divides 920 without a remainder.

1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920

Divisors of 602

List of positive integer divisors of 602 that divides 602 without a remainder.

1, 2, 7, 14, 43, 86, 301, 602

Divisors of 791

List of positive integer divisors of 791 that divides 791 without a remainder.

1, 7, 113, 791

Greatest Common Divisior

We found the divisors of 858, 920, 602, 791 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 858, 920, 602, 791 is 1.

Therefore, GCD of numbers 858, 920, 602, 791 is 1

Given Input Data is 858, 920, 602, 791

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

Prime Factorization of 858 is 2 x 3 x 11 x 13

Prime Factorization of 920 is 2 x 2 x 2 x 5 x 23

Prime Factorization of 602 is 2 x 7 x 43

Prime Factorization of 791 is 7 x 113

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(858, 920) = 394680

GCD(858, 920) = ( 858 x 920 ) / 394680

GCD(858, 920) = 789360 / 394680

GCD(858, 920) = 2

Step2:

Here we consider the GCD from the above i.e. 2 as first number and the next as 602

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

LCM(2, 602) = 602

GCD(2, 602) = ( 2 x 602 ) / 602

GCD(2, 602) = 1204 / 602

GCD(2, 602) = 2

Step3:

Here we consider the GCD from the above i.e. 2 as first number and the next as 791

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

LCM(2, 791) = 1582

GCD(2, 791) = ( 2 x 791 ) / 1582

GCD(2, 791) = 1582 / 1582

GCD(2, 791) = 1

GCD of 858, 920, 602, 791 is 1

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1. What is the GCD of 858, 920, 602, 791?

GCD of 858, 920, 602, 791 is 1

2. Where do I get the detailed procedure to find GCD of 858, 920, 602, 791?

You can find a detailed procedure to find GCD of 858, 920, 602, 791 on our page.

3. How to find GCD of 858, 920, 602, 791 on a calculator?

You can find the GCD of 858, 920, 602, 791 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.