GCD of 991, 872, 79, 775 Calculator

Given Input numbers are 991, 872, 79, 775

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 872

List of positive integer divisors of 872 that divides 872 without a remainder.

1, 2, 4, 8, 109, 218, 436, 872

Divisors of 79

List of positive integer divisors of 79 that divides 79 without a remainder.

1, 79

Divisors of 775

List of positive integer divisors of 775 that divides 775 without a remainder.

1, 5, 25, 31, 155, 775

Greatest Common Divisior

We found the divisors of 991, 872, 79, 775 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 991, 872, 79, 775 is 1.

Therefore, GCD of numbers 991, 872, 79, 775 is 1

Given Input Data is 991, 872, 79, 775

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

Prime Factorization of 991 is 991

Prime Factorization of 872 is 2 x 2 x 2 x 109

Prime Factorization of 79 is 79

Prime Factorization of 775 is 5 x 5 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, 872) = 864152

GCD(991, 872) = ( 991 x 872 ) / 864152

GCD(991, 872) = 864152 / 864152

GCD(991, 872) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 79

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

LCM(1, 79) = 79

GCD(1, 79) = ( 1 x 79 ) / 79

GCD(1, 79) = 79 / 79

GCD(1, 79) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 775

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

LCM(1, 775) = 775

GCD(1, 775) = ( 1 x 775 ) / 775

GCD(1, 775) = 775 / 775

GCD(1, 775) = 1

GCD of 991, 872, 79, 775 is 1

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1. What is the GCD of 991, 872, 79, 775?

GCD of 991, 872, 79, 775 is 1

2. Where do I get the detailed procedure to find GCD of 991, 872, 79, 775?

You can find a detailed procedure to find GCD of 991, 872, 79, 775 on our page.

3. How to find GCD of 991, 872, 79, 775 on a calculator?

You can find the GCD of 991, 872, 79, 775 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.