GCD of 810, 276, 15, 721 Calculator

Given Input numbers are 810, 276, 15, 721

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

Divisors of 810

List of positive integer divisors of 810 that divides 810 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810

Divisors of 276

List of positive integer divisors of 276 that divides 276 without a remainder.

1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276

Divisors of 15

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

1, 3, 5, 15

Divisors of 721

List of positive integer divisors of 721 that divides 721 without a remainder.

1, 7, 103, 721

Greatest Common Divisior

We found the divisors of 810, 276, 15, 721 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 810, 276, 15, 721 is 1.

Therefore, GCD of numbers 810, 276, 15, 721 is 1

Given Input Data is 810, 276, 15, 721

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

Prime Factorization of 810 is 2 x 3 x 3 x 3 x 3 x 5

Prime Factorization of 276 is 2 x 2 x 3 x 23

Prime Factorization of 15 is 3 x 5

Prime Factorization of 721 is 7 x 103

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(810, 276) = 37260

GCD(810, 276) = ( 810 x 276 ) / 37260

GCD(810, 276) = 223560 / 37260

GCD(810, 276) = 6

Step2:

Here we consider the GCD from the above i.e. 6 as first number and the next as 15

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

LCM(6, 15) = 30

GCD(6, 15) = ( 6 x 15 ) / 30

GCD(6, 15) = 90 / 30

GCD(6, 15) = 3

Step3:

Here we consider the GCD from the above i.e. 3 as first number and the next as 721

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

LCM(3, 721) = 2163

GCD(3, 721) = ( 3 x 721 ) / 2163

GCD(3, 721) = 2163 / 2163

GCD(3, 721) = 1

GCD of 810, 276, 15, 721 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 101, 992, 51, 826
• GCD of 796, 571, 59, 250
• GCD of 271, 450, 45, 283
• GCD of 398, 716, 15, 486
• GCD of 297, 877, 41, 770

1. What is the GCD of 810, 276, 15, 721?

GCD of 810, 276, 15, 721 is 1

2. Where do I get the detailed procedure to find GCD of 810, 276, 15, 721?

You can find a detailed procedure to find GCD of 810, 276, 15, 721 on our page.

3. How to find GCD of 810, 276, 15, 721 on a calculator?

You can find the GCD of 810, 276, 15, 721 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.