GCD of 49, 7, 81, 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 49, 7, 81, 15 i.e. 1 largest integer that divides all the numbers equally.

GCD of 49, 7, 81, 15 is 1

GCD(49, 7, 81, 15) = 1

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

GCD of

GCD of numbers 49, 7, 81, 15 is 1

GCD(49, 7, 81, 15) = 1

GCD of 49,7,81,15 Calculator

GCDof 49,7,81,15 is 1

Given Input numbers are 49, 7, 81, 15

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

Divisors of 49

List of positive integer divisors of 49 that divides 49 without a remainder.

1, 7, 49

Divisors of 7

List of positive integer divisors of 7 that divides 7 without a remainder.

1, 7

Divisors of 81

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

1, 3, 9, 27, 81

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 49, 7, 81, 15 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 49, 7, 81, 15 is 1.

Therefore, GCD of numbers 49, 7, 81, 15 is 1

Finding GCD of 49, 7, 81, 15 using Prime Factorization

Given Input Data is 49, 7, 81, 15

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

Prime Factorization of 49 is 7 x 7

Prime Factorization of 7 is 7

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

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 49, 7, 81, 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(49, 7) = 49

GCD(49, 7) = ( 49 x 7 ) / 49

GCD(49, 7) = 343 / 49

GCD(49, 7) = 7


Step2:

Here we consider the GCD from the above i.e. 7 as first number and the next as 81

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

LCM(7, 81) = 567

GCD(7, 81) = ( 7 x 81 ) / 567

GCD(7, 81) = 567 / 567

GCD(7, 81) = 1


Step3:

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 49, 7, 81, 15 is 1

GCD of Numbers Calculation Examples

FAQs on GCD of numbers 49, 7, 81, 15

1. What is the GCD of 49, 7, 81, 15?

GCD of 49, 7, 81, 15 is 1


2. Where do I get the detailed procedure to find GCD of 49, 7, 81, 15?

You can find a detailed procedure to find GCD of 49, 7, 81, 15 on our page.


3. How to find GCD of 49, 7, 81, 15 on a calculator?

You can find the GCD of 49, 7, 81, 15 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.