GCD of 921, 573, 13, 441 Calculator

Given Input numbers are 921, 573, 13, 441

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

Divisors of 921

List of positive integer divisors of 921 that divides 921 without a remainder.

1, 3, 307, 921

Divisors of 573

List of positive integer divisors of 573 that divides 573 without a remainder.

1, 3, 191, 573

Divisors of 13

List of positive integer divisors of 13 that divides 13 without a remainder.

1, 13

Divisors of 441

List of positive integer divisors of 441 that divides 441 without a remainder.

1, 3, 7, 9, 21, 49, 63, 147, 441

Greatest Common Divisior

We found the divisors of 921, 573, 13, 441 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 921, 573, 13, 441 is 1.

Therefore, GCD of numbers 921, 573, 13, 441 is 1

Given Input Data is 921, 573, 13, 441

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

Prime Factorization of 921 is 3 x 307

Prime Factorization of 573 is 3 x 191

Prime Factorization of 13 is 13

Prime Factorization of 441 is 3 x 3 x 7 x 7

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(921, 573) = 175911

GCD(921, 573) = ( 921 x 573 ) / 175911

GCD(921, 573) = 527733 / 175911

GCD(921, 573) = 3

Step2:

Here we consider the GCD from the above i.e. 3 as first number and the next as 13

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

LCM(3, 13) = 39

GCD(3, 13) = ( 3 x 13 ) / 39

GCD(3, 13) = 39 / 39

GCD(3, 13) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 441

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

LCM(1, 441) = 441

GCD(1, 441) = ( 1 x 441 ) / 441

GCD(1, 441) = 441 / 441

GCD(1, 441) = 1

GCD of 921, 573, 13, 441 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 813, 647, 79, 461
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• GCD of 511, 759, 38, 864
• GCD of 728, 775, 90, 134
• GCD of 981, 795, 20, 174

1. What is the GCD of 921, 573, 13, 441?

GCD of 921, 573, 13, 441 is 1

2. Where do I get the detailed procedure to find GCD of 921, 573, 13, 441?

You can find a detailed procedure to find GCD of 921, 573, 13, 441 on our page.

3. How to find GCD of 921, 573, 13, 441 on a calculator?

You can find the GCD of 921, 573, 13, 441 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.