GCD of 647, 780, 27, 222 Calculator

Given Input numbers are 647, 780, 27, 222

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

Divisors of 647

List of positive integer divisors of 647 that divides 647 without a remainder.

1, 647

Divisors of 780

List of positive integer divisors of 780 that divides 780 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780

Divisors of 27

List of positive integer divisors of 27 that divides 27 without a remainder.

1, 3, 9, 27

Divisors of 222

List of positive integer divisors of 222 that divides 222 without a remainder.

1, 2, 3, 6, 37, 74, 111, 222

Greatest Common Divisior

We found the divisors of 647, 780, 27, 222 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 647, 780, 27, 222 is 1.

Therefore, GCD of numbers 647, 780, 27, 222 is 1

Given Input Data is 647, 780, 27, 222

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

Prime Factorization of 647 is 647

Prime Factorization of 780 is 2 x 2 x 3 x 5 x 13

Prime Factorization of 27 is 3 x 3 x 3

Prime Factorization of 222 is 2 x 3 x 37

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(647, 780) = 504660

GCD(647, 780) = ( 647 x 780 ) / 504660

GCD(647, 780) = 504660 / 504660

GCD(647, 780) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 27

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

LCM(1, 27) = 27

GCD(1, 27) = ( 1 x 27 ) / 27

GCD(1, 27) = 27 / 27

GCD(1, 27) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 222

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

LCM(1, 222) = 222

GCD(1, 222) = ( 1 x 222 ) / 222

GCD(1, 222) = 222 / 222

GCD(1, 222) = 1

GCD of 647, 780, 27, 222 is 1

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• GCD of 148, 625, 79, 554
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1. What is the GCD of 647, 780, 27, 222?

GCD of 647, 780, 27, 222 is 1

2. Where do I get the detailed procedure to find GCD of 647, 780, 27, 222?

You can find a detailed procedure to find GCD of 647, 780, 27, 222 on our page.

3. How to find GCD of 647, 780, 27, 222 on a calculator?

You can find the GCD of 647, 780, 27, 222 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.