Where do I get the detailed procedure to find GCD of 989, 831, 20?

You can find a detailed procedure to find GCD of 989, 831, 20 on our page.

How to find GCD of 989, 831, 20 on a calculator?

You can find the GCD of 989, 831, 20 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.

GCD of 989, 831, 20 Calculator

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

Online GCD Calculator is useful to find the GCD of 989, 831, 20 quickly. Get the easiest ways to solve the greatest common divisor of 989, 831, 20 i.e 1 in different methods as follows.

How to Find GCD of Numbers 989, 831, 20 with Factoring?

Given Input numbers are 989, 831, 20

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

Divisors of 989 :

The positive integer divisors of 989 that completely divides 989 are.

1, 23, 43, 989

Divisors of 831 :

The positive integer divisors of 831 that completely divides 831 are.

1, 3, 277, 831

Divisors of 20 :

The positive integer divisors of 20 that completely divides 20 are.

1, 2, 4, 5, 10, 20

GCD of numbers is the greatest common divisor

So, the GCD (989, 831, 20) = 1.

Find GCD of 989, 831, 20 using Prime Factorization

Given numbers are 989, 831, 20

The list of prime factors of all numbers are

Prime factors of 989 are 23 x 43

Prime factors of 831 are 3 x 277

Prime factors of 20 are 2 x 2 x 5

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

Steps to Calculate GCD of 989, 831, 20 using LCM Formula

Given numbers are 989, 831, 20

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

Apply this formula for all numbers.

Step1:

LCM(989, 831) = 821859

GCD(989, 831) = ( 989 x 831 ) / 821859

= 989 / 831

= 989

Step2:

LCM(1, 20) = 20

GCD(1, 20) = ( 1 x 20 ) / 20

= 1 / 20

= 1

So, Greatest Common Divisor of 989, 831, 20 is 1

GCD of Numbers Calculation Examples

Here are some samples of GCD of Numbers calculations.

Greatest Common Divisor of 989, 831, 20

Given numbers are 989, 831, 20
The greatest common divisor of numbers 989, 831, 20 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 989, 831, 20 is 1.

FAQs on GCD of 989, 831, 20 Calculator

1. What is the GCD of 989, 831, 20?

GCD of given numbers 989, 831, 20 is 1

2. How to calculate the greatest common divisor of 989, 831, 20?

We can find the highest common divisor of 989, 831, 20 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 989, 831, 20 i.e 1.

3. How can I use the GCD of 989, 831, 20Calculator?

Out the numbers 989, 831, 20 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.