GCD of 465, 256, 21, 631 Calculator

Given Input numbers are 465, 256, 21, 631

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

Divisors of 465

List of positive integer divisors of 465 that divides 465 without a remainder.

1, 3, 5, 15, 31, 93, 155, 465

Divisors of 256

List of positive integer divisors of 256 that divides 256 without a remainder.

1, 2, 4, 8, 16, 32, 64, 128, 256

Divisors of 21

List of positive integer divisors of 21 that divides 21 without a remainder.

1, 3, 7, 21

Divisors of 631

List of positive integer divisors of 631 that divides 631 without a remainder.

1, 631

Greatest Common Divisior

We found the divisors of 465, 256, 21, 631 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 465, 256, 21, 631 is 1.

Therefore, GCD of numbers 465, 256, 21, 631 is 1

Given Input Data is 465, 256, 21, 631

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

Prime Factorization of 465 is 3 x 5 x 31

Prime Factorization of 256 is 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2

Prime Factorization of 21 is 3 x 7

Prime Factorization of 631 is 631

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(465, 256) = 119040

GCD(465, 256) = ( 465 x 256 ) / 119040

GCD(465, 256) = 119040 / 119040

GCD(465, 256) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 21

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

LCM(1, 21) = 21

GCD(1, 21) = ( 1 x 21 ) / 21

GCD(1, 21) = 21 / 21

GCD(1, 21) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 631

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

LCM(1, 631) = 631

GCD(1, 631) = ( 1 x 631 ) / 631

GCD(1, 631) = 631 / 631

GCD(1, 631) = 1

GCD of 465, 256, 21, 631 is 1

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• GCD of 528, 909, 13, 408
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1. What is the GCD of 465, 256, 21, 631?

GCD of 465, 256, 21, 631 is 1

2. Where do I get the detailed procedure to find GCD of 465, 256, 21, 631?

You can find a detailed procedure to find GCD of 465, 256, 21, 631 on our page.

3. How to find GCD of 465, 256, 21, 631 on a calculator?

You can find the GCD of 465, 256, 21, 631 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.