GCD of 716, 551, 920, 646 Calculator

Given Input numbers are 716, 551, 920, 646

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

Divisors of 716

List of positive integer divisors of 716 that divides 716 without a remainder.

1, 2, 4, 179, 358, 716

Divisors of 551

List of positive integer divisors of 551 that divides 551 without a remainder.

1, 19, 29, 551

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 646

List of positive integer divisors of 646 that divides 646 without a remainder.

1, 2, 17, 19, 34, 38, 323, 646

Greatest Common Divisior

We found the divisors of 716, 551, 920, 646 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 716, 551, 920, 646 is 1.

Therefore, GCD of numbers 716, 551, 920, 646 is 1

Given Input Data is 716, 551, 920, 646

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

Prime Factorization of 716 is 2 x 2 x 179

Prime Factorization of 551 is 19 x 29

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

Prime Factorization of 646 is 2 x 17 x 19

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(716, 551) = 394516

GCD(716, 551) = ( 716 x 551 ) / 394516

GCD(716, 551) = 394516 / 394516

GCD(716, 551) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 920

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

LCM(1, 920) = 920

GCD(1, 920) = ( 1 x 920 ) / 920

GCD(1, 920) = 920 / 920

GCD(1, 920) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 646

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

LCM(1, 646) = 646

GCD(1, 646) = ( 1 x 646 ) / 646

GCD(1, 646) = 646 / 646

GCD(1, 646) = 1

GCD of 716, 551, 920, 646 is 1

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1. What is the GCD of 716, 551, 920, 646?

GCD of 716, 551, 920, 646 is 1

2. Where do I get the detailed procedure to find GCD of 716, 551, 920, 646?

You can find a detailed procedure to find GCD of 716, 551, 920, 646 on our page.

3. How to find GCD of 716, 551, 920, 646 on a calculator?

You can find the GCD of 716, 551, 920, 646 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.