GCD of 821, 373, 65, 580 Calculator

Given Input numbers are 821, 373, 65, 580

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

Divisors of 821

List of positive integer divisors of 821 that divides 821 without a remainder.

1, 821

Divisors of 373

List of positive integer divisors of 373 that divides 373 without a remainder.

1, 373

Divisors of 65

List of positive integer divisors of 65 that divides 65 without a remainder.

1, 5, 13, 65

Divisors of 580

List of positive integer divisors of 580 that divides 580 without a remainder.

1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580

Greatest Common Divisior

We found the divisors of 821, 373, 65, 580 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 821, 373, 65, 580 is 1.

Therefore, GCD of numbers 821, 373, 65, 580 is 1

Given Input Data is 821, 373, 65, 580

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

Prime Factorization of 821 is 821

Prime Factorization of 373 is 373

Prime Factorization of 65 is 5 x 13

Prime Factorization of 580 is 2 x 2 x 5 x 29

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(821, 373) = 306233

GCD(821, 373) = ( 821 x 373 ) / 306233

GCD(821, 373) = 306233 / 306233

GCD(821, 373) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 65

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

LCM(1, 65) = 65

GCD(1, 65) = ( 1 x 65 ) / 65

GCD(1, 65) = 65 / 65

GCD(1, 65) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 580

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

LCM(1, 580) = 580

GCD(1, 580) = ( 1 x 580 ) / 580

GCD(1, 580) = 580 / 580

GCD(1, 580) = 1

GCD of 821, 373, 65, 580 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 806, 549, 41, 533
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• GCD of 442, 147, 18, 189
• GCD of 903, 960, 89, 943
• GCD of 586, 431, 98, 925

1. What is the GCD of 821, 373, 65, 580?

GCD of 821, 373, 65, 580 is 1

2. Where do I get the detailed procedure to find GCD of 821, 373, 65, 580?

You can find a detailed procedure to find GCD of 821, 373, 65, 580 on our page.

3. How to find GCD of 821, 373, 65, 580 on a calculator?

You can find the GCD of 821, 373, 65, 580 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.