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GCD of 979, 842, 17, 687 Calculator

Created By : Veerendra
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023


Online GCD Calculator is useful to find the GCD of 979, 842, 17, 687 quickly. Get the easiest ways to solve the greatest common divisor of 979, 842, 17, 687 i.e 1 in different methods as follows.

GCD of

How to Find GCD of Numbers 979, 842, 17, 687 with Factoring?

Given Input numbers are 979, 842, 17, 687

In the factoring method, we have to find the divisors of all numbers

Divisors of 979 :

The positive integer divisors of 979 that completely divides 979 are.

1, 11, 89, 979

Divisors of 842 :

The positive integer divisors of 842 that completely divides 842 are.

1, 2, 421, 842

Divisors of 17 :

The positive integer divisors of 17 that completely divides 17 are.

1, 17

Divisors of 687 :

The positive integer divisors of 687 that completely divides 687 are.

1, 3, 229, 687


GCD of numbers is the greatest common divisor

So, the GCD (979, 842, 17, 687) = 1.

Find GCD of 979, 842, 17, 687 using Prime Factorization

Given numbers are 979, 842, 17, 687

The list of prime factors of all numbers are

Prime factors of 979 are 11 x 89

Prime factors of 842 are 2 x 421

Prime factors of 17 are 17

Prime factors of 687 are 3 x 229

The above numbers do not have any common prime factor. So GCD is 1

Steps to Calculate GCD of 979, 842, 17, 687 using LCM Formula

Given numbers are 979, 842, 17, 687

GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)

Apply this formula for all numbers.

Step1:

LCM(979, 842) = 824318

GCD(979, 842) = ( 979 x 842 ) / 824318

= 979 / 842

= 979


Step2:

LCM(1, 17) = 17

GCD(1, 17) = ( 1 x 17 ) / 17

= 1 / 17

= 1


Step3:

LCM(1, 687) = 687

GCD(1, 687) = ( 1 x 687 ) / 687

= 1 / 687

= 1


So, Greatest Common Divisor of 979, 842, 17, 687 is 1

GCD of Numbers Calculation Examples

Greatest Common Divisor of 979, 842, 17, 687

Given numbers are 979, 842, 17, 687
The greatest common divisor of numbers 979, 842, 17, 687 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 979, 842, 17, 687 is 1.

FAQs on GCD of 979, 842, 17, 687 Calculator

1. What is the GCD of 979, 842, 17, 687?

GCD of given numbers 979, 842, 17, 687 is 1


2. How to calculate the greatest common divisor of 979, 842, 17, 687?

We can find the highest common divisor of 979, 842, 17, 687 easily using the prime factorization method. Just list the prime factors of all numbers and pick the highest common factor which is the GCD of 979, 842, 17, 687 i.e 1.


3. How can I use the GCD of 979, 842, 17, 687Calculator?

Out the numbers 979, 842, 17, 687 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.