GCD of 447, 520, 451, 920 Calculator

Given Input numbers are 447, 520, 451, 920

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

Divisors of 447

List of positive integer divisors of 447 that divides 447 without a remainder.

1, 3, 149, 447

Divisors of 520

List of positive integer divisors of 520 that divides 520 without a remainder.

1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520

Divisors of 451

List of positive integer divisors of 451 that divides 451 without a remainder.

1, 11, 41, 451

Divisors of 920

List of positive integer divisors of 920 that divides 920 without a remainder.

1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920

Greatest Common Divisior

We found the divisors of 447, 520, 451, 920 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 447, 520, 451, 920 is 1.

Therefore, GCD of numbers 447, 520, 451, 920 is 1

Given Input Data is 447, 520, 451, 920

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

Prime Factorization of 447 is 3 x 149

Prime Factorization of 520 is 2 x 2 x 2 x 5 x 13

Prime Factorization of 451 is 11 x 41

Prime Factorization of 920 is 2 x 2 x 2 x 5 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(447, 520) = 232440

GCD(447, 520) = ( 447 x 520 ) / 232440

GCD(447, 520) = 232440 / 232440

GCD(447, 520) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 451

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

LCM(1, 451) = 451

GCD(1, 451) = ( 1 x 451 ) / 451

GCD(1, 451) = 451 / 451

GCD(1, 451) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 920

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

LCM(1, 920) = 920

GCD(1, 920) = ( 1 x 920 ) / 920

GCD(1, 920) = 920 / 920

GCD(1, 920) = 1

GCD of 447, 520, 451, 920 is 1

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1. What is the GCD of 447, 520, 451, 920?

GCD of 447, 520, 451, 920 is 1

2. Where do I get the detailed procedure to find GCD of 447, 520, 451, 920?

You can find a detailed procedure to find GCD of 447, 520, 451, 920 on our page.

3. How to find GCD of 447, 520, 451, 920 on a calculator?

You can find the GCD of 447, 520, 451, 920 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.