GCD of 780, 457, 48, 891 Calculator

Given Input numbers are 780, 457, 48, 891

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

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 457

List of positive integer divisors of 457 that divides 457 without a remainder.

1, 457

Divisors of 48

List of positive integer divisors of 48 that divides 48 without a remainder.

1, 2, 3, 4, 6, 8, 12, 16, 24, 48

Divisors of 891

List of positive integer divisors of 891 that divides 891 without a remainder.

1, 3, 9, 11, 27, 33, 81, 99, 297, 891

Greatest Common Divisior

We found the divisors of 780, 457, 48, 891 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 780, 457, 48, 891 is 1.

Therefore, GCD of numbers 780, 457, 48, 891 is 1

Given Input Data is 780, 457, 48, 891

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

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

Prime Factorization of 457 is 457

Prime Factorization of 48 is 2 x 2 x 2 x 2 x 3

Prime Factorization of 891 is 3 x 3 x 3 x 3 x 11

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(780, 457) = 356460

GCD(780, 457) = ( 780 x 457 ) / 356460

GCD(780, 457) = 356460 / 356460

GCD(780, 457) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 48

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

LCM(1, 48) = 48

GCD(1, 48) = ( 1 x 48 ) / 48

GCD(1, 48) = 48 / 48

GCD(1, 48) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 891

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

LCM(1, 891) = 891

GCD(1, 891) = ( 1 x 891 ) / 891

GCD(1, 891) = 891 / 891

GCD(1, 891) = 1

GCD of 780, 457, 48, 891 is 1

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1. What is the GCD of 780, 457, 48, 891?

GCD of 780, 457, 48, 891 is 1

2. Where do I get the detailed procedure to find GCD of 780, 457, 48, 891?

You can find a detailed procedure to find GCD of 780, 457, 48, 891 on our page.

3. How to find GCD of 780, 457, 48, 891 on a calculator?

You can find the GCD of 780, 457, 48, 891 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.