GCD of 645, 188, 63, 814 Calculator

Given Input numbers are 645, 188, 63, 814

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

Divisors of 645

List of positive integer divisors of 645 that divides 645 without a remainder.

1, 3, 5, 15, 43, 129, 215, 645

Divisors of 188

List of positive integer divisors of 188 that divides 188 without a remainder.

1, 2, 4, 47, 94, 188

Divisors of 63

List of positive integer divisors of 63 that divides 63 without a remainder.

1, 3, 7, 9, 21, 63

Divisors of 814

List of positive integer divisors of 814 that divides 814 without a remainder.

1, 2, 11, 22, 37, 74, 407, 814

Greatest Common Divisior

We found the divisors of 645, 188, 63, 814 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 645, 188, 63, 814 is 1.

Therefore, GCD of numbers 645, 188, 63, 814 is 1

Given Input Data is 645, 188, 63, 814

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

Prime Factorization of 645 is 3 x 5 x 43

Prime Factorization of 188 is 2 x 2 x 47

Prime Factorization of 63 is 3 x 3 x 7

Prime Factorization of 814 is 2 x 11 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(645, 188) = 121260

GCD(645, 188) = ( 645 x 188 ) / 121260

GCD(645, 188) = 121260 / 121260

GCD(645, 188) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 63

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

LCM(1, 63) = 63

GCD(1, 63) = ( 1 x 63 ) / 63

GCD(1, 63) = 63 / 63

GCD(1, 63) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 814

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

LCM(1, 814) = 814

GCD(1, 814) = ( 1 x 814 ) / 814

GCD(1, 814) = 814 / 814

GCD(1, 814) = 1

GCD of 645, 188, 63, 814 is 1

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• GCD of 799, 993, 79, 770
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1. What is the GCD of 645, 188, 63, 814?

GCD of 645, 188, 63, 814 is 1

2. Where do I get the detailed procedure to find GCD of 645, 188, 63, 814?

You can find a detailed procedure to find GCD of 645, 188, 63, 814 on our page.

3. How to find GCD of 645, 188, 63, 814 on a calculator?

You can find the GCD of 645, 188, 63, 814 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.