GCD of 139, 660, 324, 355 Calculator

Given Input numbers are 139, 660, 324, 355

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

Divisors of 139

List of positive integer divisors of 139 that divides 139 without a remainder.

1, 139

Divisors of 660

List of positive integer divisors of 660 that divides 660 without a remainder.

1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660

Divisors of 324

List of positive integer divisors of 324 that divides 324 without a remainder.

1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324

Divisors of 355

List of positive integer divisors of 355 that divides 355 without a remainder.

1, 5, 71, 355

Greatest Common Divisior

We found the divisors of 139, 660, 324, 355 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 139, 660, 324, 355 is 1.

Therefore, GCD of numbers 139, 660, 324, 355 is 1

Given Input Data is 139, 660, 324, 355

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

Prime Factorization of 139 is 139

Prime Factorization of 660 is 2 x 2 x 3 x 5 x 11

Prime Factorization of 324 is 2 x 2 x 3 x 3 x 3 x 3

Prime Factorization of 355 is 5 x 71

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(139, 660) = 91740

GCD(139, 660) = ( 139 x 660 ) / 91740

GCD(139, 660) = 91740 / 91740

GCD(139, 660) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 324

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

LCM(1, 324) = 324

GCD(1, 324) = ( 1 x 324 ) / 324

GCD(1, 324) = 324 / 324

GCD(1, 324) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 355

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

LCM(1, 355) = 355

GCD(1, 355) = ( 1 x 355 ) / 355

GCD(1, 355) = 355 / 355

GCD(1, 355) = 1

GCD of 139, 660, 324, 355 is 1

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1. What is the GCD of 139, 660, 324, 355?

GCD of 139, 660, 324, 355 is 1

2. Where do I get the detailed procedure to find GCD of 139, 660, 324, 355?

You can find a detailed procedure to find GCD of 139, 660, 324, 355 on our page.

3. How to find GCD of 139, 660, 324, 355 on a calculator?

You can find the GCD of 139, 660, 324, 355 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.