GCD of 637, 642, 25, 873 Calculator

Given Input numbers are 637, 642, 25, 873

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

Divisors of 637

List of positive integer divisors of 637 that divides 637 without a remainder.

1, 7, 13, 49, 91, 637

Divisors of 642

List of positive integer divisors of 642 that divides 642 without a remainder.

1, 2, 3, 6, 107, 214, 321, 642

Divisors of 25

List of positive integer divisors of 25 that divides 25 without a remainder.

1, 5, 25

Divisors of 873

List of positive integer divisors of 873 that divides 873 without a remainder.

1, 3, 9, 97, 291, 873

Greatest Common Divisior

We found the divisors of 637, 642, 25, 873 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 637, 642, 25, 873 is 1.

Therefore, GCD of numbers 637, 642, 25, 873 is 1

Given Input Data is 637, 642, 25, 873

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

Prime Factorization of 637 is 7 x 7 x 13

Prime Factorization of 642 is 2 x 3 x 107

Prime Factorization of 25 is 5 x 5

Prime Factorization of 873 is 3 x 3 x 97

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(637, 642) = 408954

GCD(637, 642) = ( 637 x 642 ) / 408954

GCD(637, 642) = 408954 / 408954

GCD(637, 642) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 25

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

LCM(1, 25) = 25

GCD(1, 25) = ( 1 x 25 ) / 25

GCD(1, 25) = 25 / 25

GCD(1, 25) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 873

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

LCM(1, 873) = 873

GCD(1, 873) = ( 1 x 873 ) / 873

GCD(1, 873) = 873 / 873

GCD(1, 873) = 1

GCD of 637, 642, 25, 873 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 558, 495, 58, 806
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• GCD of 414, 554, 77, 396
• GCD of 368, 630, 15, 123

1. What is the GCD of 637, 642, 25, 873?

GCD of 637, 642, 25, 873 is 1

2. Where do I get the detailed procedure to find GCD of 637, 642, 25, 873?

You can find a detailed procedure to find GCD of 637, 642, 25, 873 on our page.

3. How to find GCD of 637, 642, 25, 873 on a calculator?

You can find the GCD of 637, 642, 25, 873 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.