GCD of 124, 392, 691 Calculator

Given Input numbers are 124, 392, 691

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

Divisors of 124

List of positive integer divisors of 124 that divides 124 without a remainder.

1, 2, 4, 31, 62, 124

Divisors of 392

List of positive integer divisors of 392 that divides 392 without a remainder.

1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392

Divisors of 691

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

1, 691

Greatest Common Divisior

We found the divisors of 124, 392, 691 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 124, 392, 691 is 1.

Therefore, GCD of numbers 124, 392, 691 is 1

Given Input Data is 124, 392, 691

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

Prime Factorization of 124 is 2 x 2 x 31

Prime Factorization of 392 is 2 x 2 x 2 x 7 x 7

Prime Factorization of 691 is 691

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(124, 392) = 12152

GCD(124, 392) = ( 124 x 392 ) / 12152

GCD(124, 392) = 48608 / 12152

GCD(124, 392) = 4

Step2:

Here we consider the GCD from the above i.e. 4 as first number and the next as 691

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

LCM(4, 691) = 2764

GCD(4, 691) = ( 4 x 691 ) / 2764

GCD(4, 691) = 2764 / 2764

GCD(4, 691) = 1

GCD of 124, 392, 691 is 1

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1. What is the GCD of 124, 392, 691?

GCD of 124, 392, 691 is 1

2. Where do I get the detailed procedure to find GCD of 124, 392, 691?

You can find a detailed procedure to find GCD of 124, 392, 691 on our page.

3. How to find GCD of 124, 392, 691 on a calculator?

You can find the GCD of 124, 392, 691 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.