GCD of 691, 855, 870, 759 Calculator

Given Input numbers are 691, 855, 870, 759

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

Divisors of 691

List of positive integer divisors of 691 that divides 691 without a remainder.

1, 691

Divisors of 855

List of positive integer divisors of 855 that divides 855 without a remainder.

1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855

Divisors of 870

List of positive integer divisors of 870 that divides 870 without a remainder.

1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 870

Divisors of 759

List of positive integer divisors of 759 that divides 759 without a remainder.

1, 3, 11, 23, 33, 69, 253, 759

Greatest Common Divisior

We found the divisors of 691, 855, 870, 759 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 691, 855, 870, 759 is 1.

Therefore, GCD of numbers 691, 855, 870, 759 is 1

Given Input Data is 691, 855, 870, 759

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

Prime Factorization of 691 is 691

Prime Factorization of 855 is 3 x 3 x 5 x 19

Prime Factorization of 870 is 2 x 3 x 5 x 29

Prime Factorization of 759 is 3 x 11 x 23

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(691, 855) = 590805

GCD(691, 855) = ( 691 x 855 ) / 590805

GCD(691, 855) = 590805 / 590805

GCD(691, 855) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 870

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

LCM(1, 870) = 870

GCD(1, 870) = ( 1 x 870 ) / 870

GCD(1, 870) = 870 / 870

GCD(1, 870) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 759

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

LCM(1, 759) = 759

GCD(1, 759) = ( 1 x 759 ) / 759

GCD(1, 759) = 759 / 759

GCD(1, 759) = 1

GCD of 691, 855, 870, 759 is 1

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1. What is the GCD of 691, 855, 870, 759?

GCD of 691, 855, 870, 759 is 1

2. Where do I get the detailed procedure to find GCD of 691, 855, 870, 759?

You can find a detailed procedure to find GCD of 691, 855, 870, 759 on our page.

3. How to find GCD of 691, 855, 870, 759 on a calculator?

You can find the GCD of 691, 855, 870, 759 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.