GCD of 81, 79, 15 Calculator

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Make use of GCD Calculator to determine the Greatest Common Divisor of 81, 79, 15 i.e. 1 largest integer that divides all the numbers equally.

GCD of 81, 79, 15 is 1

GCD(81, 79, 15) = 1

Ex: 10, 15, 20 (or) 24, 48, 96,45 (or) 78902, 89765, 12345

GCD of

GCD of numbers 81, 79, 15 is 1

GCD(81, 79, 15) = 1

GCD of 81,79,15 Calculator

GCDof 81,79,15 is 1

Given Input numbers are 81, 79, 15

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

Divisors of 81

List of positive integer divisors of 81 that divides 81 without a remainder.

1, 3, 9, 27, 81

Divisors of 79

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

1, 79

Divisors of 15

List of positive integer divisors of 15 that divides 15 without a remainder.

1, 3, 5, 15

Greatest Common Divisior

We found the divisors of 81, 79, 15 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 81, 79, 15 is 1.

Therefore, GCD of numbers 81, 79, 15 is 1

Finding GCD of 81, 79, 15 using Prime Factorization

Given Input Data is 81, 79, 15

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

Prime Factorization of 81 is 3 x 3 x 3 x 3

Prime Factorization of 79 is 79

Prime Factorization of 15 is 3 x 5

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

Finding GCD of 81, 79, 15 using LCM Formula

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(81, 79) = 6399

GCD(81, 79) = ( 81 x 79 ) / 6399

GCD(81, 79) = 6399 / 6399

GCD(81, 79) = 1


Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 15

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

LCM(1, 15) = 15

GCD(1, 15) = ( 1 x 15 ) / 15

GCD(1, 15) = 15 / 15

GCD(1, 15) = 1

GCD of 81, 79, 15 is 1

GCD of Numbers Calculation Examples

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FAQs on GCD of numbers 81, 79, 15

1. What is the GCD of 81, 79, 15?

GCD of 81, 79, 15 is 1


2. Where do I get the detailed procedure to find GCD of 81, 79, 15?

You can find a detailed procedure to find GCD of 81, 79, 15 on our page.


3. How to find GCD of 81, 79, 15 on a calculator?

You can find the GCD of 81, 79, 15 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.