GCD of 648, 653, 139, 129 Calculator

Given Input numbers are 648, 653, 139, 129

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

Divisors of 648

List of positive integer divisors of 648 that divides 648 without a remainder.

1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648

Divisors of 653

List of positive integer divisors of 653 that divides 653 without a remainder.

1, 653

Divisors of 139

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

1, 139

Divisors of 129

List of positive integer divisors of 129 that divides 129 without a remainder.

1, 3, 43, 129

Greatest Common Divisior

We found the divisors of 648, 653, 139, 129 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 648, 653, 139, 129 is 1.

Therefore, GCD of numbers 648, 653, 139, 129 is 1

Given Input Data is 648, 653, 139, 129

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

Prime Factorization of 648 is 2 x 2 x 2 x 3 x 3 x 3 x 3

Prime Factorization of 653 is 653

Prime Factorization of 139 is 139

Prime Factorization of 129 is 3 x 43

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(648, 653) = 423144

GCD(648, 653) = ( 648 x 653 ) / 423144

GCD(648, 653) = 423144 / 423144

GCD(648, 653) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 139

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

LCM(1, 139) = 139

GCD(1, 139) = ( 1 x 139 ) / 139

GCD(1, 139) = 139 / 139

GCD(1, 139) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 129

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

LCM(1, 129) = 129

GCD(1, 129) = ( 1 x 129 ) / 129

GCD(1, 129) = 129 / 129

GCD(1, 129) = 1

GCD of 648, 653, 139, 129 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 242, 199, 739, 917
• GCD of 838, 172, 117, 221
• GCD of 780, 216, 339, 602
• GCD of 382, 697, 876, 585
• GCD of 369, 305, 170, 504

1. What is the GCD of 648, 653, 139, 129?

GCD of 648, 653, 139, 129 is 1

2. Where do I get the detailed procedure to find GCD of 648, 653, 139, 129?

You can find a detailed procedure to find GCD of 648, 653, 139, 129 on our page.

3. How to find GCD of 648, 653, 139, 129 on a calculator?

You can find the GCD of 648, 653, 139, 129 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.