GCD of 169, 825, 780, 651 Calculator

Given Input numbers are 169, 825, 780, 651

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

Divisors of 169

List of positive integer divisors of 169 that divides 169 without a remainder.

1, 13, 169

Divisors of 825

List of positive integer divisors of 825 that divides 825 without a remainder.

1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 825

Divisors of 780

List of positive integer divisors of 780 that divides 780 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780

Divisors of 651

List of positive integer divisors of 651 that divides 651 without a remainder.

1, 3, 7, 21, 31, 93, 217, 651

Greatest Common Divisior

We found the divisors of 169, 825, 780, 651 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 169, 825, 780, 651 is 1.

Therefore, GCD of numbers 169, 825, 780, 651 is 1

Given Input Data is 169, 825, 780, 651

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

Prime Factorization of 169 is 13 x 13

Prime Factorization of 825 is 3 x 5 x 5 x 11

Prime Factorization of 780 is 2 x 2 x 3 x 5 x 13

Prime Factorization of 651 is 3 x 7 x 31

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(169, 825) = 139425

GCD(169, 825) = ( 169 x 825 ) / 139425

GCD(169, 825) = 139425 / 139425

GCD(169, 825) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 780

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

LCM(1, 780) = 780

GCD(1, 780) = ( 1 x 780 ) / 780

GCD(1, 780) = 780 / 780

GCD(1, 780) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 651

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

LCM(1, 651) = 651

GCD(1, 651) = ( 1 x 651 ) / 651

GCD(1, 651) = 651 / 651

GCD(1, 651) = 1

GCD of 169, 825, 780, 651 is 1

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1. What is the GCD of 169, 825, 780, 651?

GCD of 169, 825, 780, 651 is 1

2. Where do I get the detailed procedure to find GCD of 169, 825, 780, 651?

You can find a detailed procedure to find GCD of 169, 825, 780, 651 on our page.

3. How to find GCD of 169, 825, 780, 651 on a calculator?

You can find the GCD of 169, 825, 780, 651 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.