GCD of 991, 822, 66, 868 Calculator

Given Input numbers are 991, 822, 66, 868

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

Divisors of 991

List of positive integer divisors of 991 that divides 991 without a remainder.

1, 991

Divisors of 822

List of positive integer divisors of 822 that divides 822 without a remainder.

1, 2, 3, 6, 137, 274, 411, 822

Divisors of 66

List of positive integer divisors of 66 that divides 66 without a remainder.

1, 2, 3, 6, 11, 22, 33, 66

Divisors of 868

List of positive integer divisors of 868 that divides 868 without a remainder.

1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868

Greatest Common Divisior

We found the divisors of 991, 822, 66, 868 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 991, 822, 66, 868 is 1.

Therefore, GCD of numbers 991, 822, 66, 868 is 1

Given Input Data is 991, 822, 66, 868

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

Prime Factorization of 991 is 991

Prime Factorization of 822 is 2 x 3 x 137

Prime Factorization of 66 is 2 x 3 x 11

Prime Factorization of 868 is 2 x 2 x 7 x 31

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(991, 822) = 814602

GCD(991, 822) = ( 991 x 822 ) / 814602

GCD(991, 822) = 814602 / 814602

GCD(991, 822) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 66

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

LCM(1, 66) = 66

GCD(1, 66) = ( 1 x 66 ) / 66

GCD(1, 66) = 66 / 66

GCD(1, 66) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 868

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

LCM(1, 868) = 868

GCD(1, 868) = ( 1 x 868 ) / 868

GCD(1, 868) = 868 / 868

GCD(1, 868) = 1

GCD of 991, 822, 66, 868 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 756, 555, 19, 702
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• GCD of 685, 808, 29, 980

1. What is the GCD of 991, 822, 66, 868?

GCD of 991, 822, 66, 868 is 1

2. Where do I get the detailed procedure to find GCD of 991, 822, 66, 868?

You can find a detailed procedure to find GCD of 991, 822, 66, 868 on our page.

3. How to find GCD of 991, 822, 66, 868 on a calculator?

You can find the GCD of 991, 822, 66, 868 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.