GCD of 685, 163, 54, 840 Calculator

Given Input numbers are 685, 163, 54, 840

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

Divisors of 685

List of positive integer divisors of 685 that divides 685 without a remainder.

1, 5, 137, 685

Divisors of 163

List of positive integer divisors of 163 that divides 163 without a remainder.

1, 163

Divisors of 54

List of positive integer divisors of 54 that divides 54 without a remainder.

1, 2, 3, 6, 9, 18, 27, 54

Divisors of 840

List of positive integer divisors of 840 that divides 840 without a remainder.

1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840

Greatest Common Divisior

We found the divisors of 685, 163, 54, 840 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 685, 163, 54, 840 is 1.

Therefore, GCD of numbers 685, 163, 54, 840 is 1

Given Input Data is 685, 163, 54, 840

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

Prime Factorization of 685 is 5 x 137

Prime Factorization of 163 is 163

Prime Factorization of 54 is 2 x 3 x 3 x 3

Prime Factorization of 840 is 2 x 2 x 2 x 3 x 5 x 7

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(685, 163) = 111655

GCD(685, 163) = ( 685 x 163 ) / 111655

GCD(685, 163) = 111655 / 111655

GCD(685, 163) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 54

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

LCM(1, 54) = 54

GCD(1, 54) = ( 1 x 54 ) / 54

GCD(1, 54) = 54 / 54

GCD(1, 54) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 840

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

LCM(1, 840) = 840

GCD(1, 840) = ( 1 x 840 ) / 840

GCD(1, 840) = 840 / 840

GCD(1, 840) = 1

GCD of 685, 163, 54, 840 is 1

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• GCD of 528, 735, 45, 976

1. What is the GCD of 685, 163, 54, 840?

GCD of 685, 163, 54, 840 is 1

2. Where do I get the detailed procedure to find GCD of 685, 163, 54, 840?

You can find a detailed procedure to find GCD of 685, 163, 54, 840 on our page.

3. How to find GCD of 685, 163, 54, 840 on a calculator?

You can find the GCD of 685, 163, 54, 840 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.