GCD of 21, 902, 502, 386 Calculator

Given Input numbers are 21, 902, 502, 386

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

Divisors of 21

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

1, 3, 7, 21

Divisors of 902

List of positive integer divisors of 902 that divides 902 without a remainder.

1, 2, 11, 22, 41, 82, 451, 902

Divisors of 502

List of positive integer divisors of 502 that divides 502 without a remainder.

1, 2, 251, 502

Divisors of 386

List of positive integer divisors of 386 that divides 386 without a remainder.

1, 2, 193, 386

Greatest Common Divisior

We found the divisors of 21, 902, 502, 386 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 21, 902, 502, 386 is 1.

Therefore, GCD of numbers 21, 902, 502, 386 is 1

Given Input Data is 21, 902, 502, 386

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

Prime Factorization of 21 is 3 x 7

Prime Factorization of 902 is 2 x 11 x 41

Prime Factorization of 502 is 2 x 251

Prime Factorization of 386 is 2 x 193

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(21, 902) = 18942

GCD(21, 902) = ( 21 x 902 ) / 18942

GCD(21, 902) = 18942 / 18942

GCD(21, 902) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 502

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

LCM(1, 502) = 502

GCD(1, 502) = ( 1 x 502 ) / 502

GCD(1, 502) = 502 / 502

GCD(1, 502) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 386

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

LCM(1, 386) = 386

GCD(1, 386) = ( 1 x 386 ) / 386

GCD(1, 386) = 386 / 386

GCD(1, 386) = 1

GCD of 21, 902, 502, 386 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 66, 695, 581, 422
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• GCD of 93, 637, 446, 999
• GCD of 37, 168, 572, 602
• GCD of 38, 135, 163, 571

1. What is the GCD of 21, 902, 502, 386?

GCD of 21, 902, 502, 386 is 1

2. Where do I get the detailed procedure to find GCD of 21, 902, 502, 386?

You can find a detailed procedure to find GCD of 21, 902, 502, 386 on our page.

3. How to find GCD of 21, 902, 502, 386 on a calculator?

You can find the GCD of 21, 902, 502, 386 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.