GCD of 13, 487, 938, 138 Calculator

Given Input numbers are 13, 487, 938, 138

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

Divisors of 13

List of positive integer divisors of 13 that divides 13 without a remainder.

1, 13

Divisors of 487

List of positive integer divisors of 487 that divides 487 without a remainder.

1, 487

Divisors of 938

List of positive integer divisors of 938 that divides 938 without a remainder.

1, 2, 7, 14, 67, 134, 469, 938

Divisors of 138

List of positive integer divisors of 138 that divides 138 without a remainder.

1, 2, 3, 6, 23, 46, 69, 138

Greatest Common Divisior

We found the divisors of 13, 487, 938, 138 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 13, 487, 938, 138 is 1.

Therefore, GCD of numbers 13, 487, 938, 138 is 1

Given Input Data is 13, 487, 938, 138

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

Prime Factorization of 13 is 13

Prime Factorization of 487 is 487

Prime Factorization of 938 is 2 x 7 x 67

Prime Factorization of 138 is 2 x 3 x 23

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(13, 487) = 6331

GCD(13, 487) = ( 13 x 487 ) / 6331

GCD(13, 487) = 6331 / 6331

GCD(13, 487) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 938

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

LCM(1, 938) = 938

GCD(1, 938) = ( 1 x 938 ) / 938

GCD(1, 938) = 938 / 938

GCD(1, 938) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 138

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

LCM(1, 138) = 138

GCD(1, 138) = ( 1 x 138 ) / 138

GCD(1, 138) = 138 / 138

GCD(1, 138) = 1

GCD of 13, 487, 938, 138 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 11, 413, 407, 356
• GCD of 92, 906, 117, 655
• GCD of 67, 911, 126, 863
• GCD of 21, 382, 885, 800
• GCD of 31, 781, 406, 723

1. What is the GCD of 13, 487, 938, 138?

GCD of 13, 487, 938, 138 is 1

2. Where do I get the detailed procedure to find GCD of 13, 487, 938, 138?

You can find a detailed procedure to find GCD of 13, 487, 938, 138 on our page.

3. How to find GCD of 13, 487, 938, 138 on a calculator?

You can find the GCD of 13, 487, 938, 138 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.