GCD of 124, 336, 55, 689 Calculator

Given Input numbers are 124, 336, 55, 689

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 336

List of positive integer divisors of 336 that divides 336 without a remainder.

1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336

Divisors of 55

List of positive integer divisors of 55 that divides 55 without a remainder.

1, 5, 11, 55

Divisors of 689

List of positive integer divisors of 689 that divides 689 without a remainder.

1, 13, 53, 689

Greatest Common Divisior

We found the divisors of 124, 336, 55, 689 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 124, 336, 55, 689 is 1.

Therefore, GCD of numbers 124, 336, 55, 689 is 1

Given Input Data is 124, 336, 55, 689

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 336 is 2 x 2 x 2 x 2 x 3 x 7

Prime Factorization of 55 is 5 x 11

Prime Factorization of 689 is 13 x 53

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, 336) = 10416

GCD(124, 336) = ( 124 x 336 ) / 10416

GCD(124, 336) = 41664 / 10416

GCD(124, 336) = 4

Step2:

Here we consider the GCD from the above i.e. 4 as first number and the next as 55

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

LCM(4, 55) = 220

GCD(4, 55) = ( 4 x 55 ) / 220

GCD(4, 55) = 220 / 220

GCD(4, 55) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 689

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

LCM(1, 689) = 689

GCD(1, 689) = ( 1 x 689 ) / 689

GCD(1, 689) = 689 / 689

GCD(1, 689) = 1

GCD of 124, 336, 55, 689 is 1

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1. What is the GCD of 124, 336, 55, 689?

GCD of 124, 336, 55, 689 is 1

2. Where do I get the detailed procedure to find GCD of 124, 336, 55, 689?

You can find a detailed procedure to find GCD of 124, 336, 55, 689 on our page.

3. How to find GCD of 124, 336, 55, 689 on a calculator?

You can find the GCD of 124, 336, 55, 689 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.