GCD of 729, 790, 578, 155 Calculator

Given Input numbers are 729, 790, 578, 155

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

Divisors of 729

List of positive integer divisors of 729 that divides 729 without a remainder.

1, 3, 9, 27, 81, 243, 729

Divisors of 790

List of positive integer divisors of 790 that divides 790 without a remainder.

1, 2, 5, 10, 79, 158, 395, 790

Divisors of 578

List of positive integer divisors of 578 that divides 578 without a remainder.

1, 2, 17, 34, 289, 578

Divisors of 155

List of positive integer divisors of 155 that divides 155 without a remainder.

1, 5, 31, 155

Greatest Common Divisior

We found the divisors of 729, 790, 578, 155 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 729, 790, 578, 155 is 1.

Therefore, GCD of numbers 729, 790, 578, 155 is 1

Given Input Data is 729, 790, 578, 155

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

Prime Factorization of 729 is 3 x 3 x 3 x 3 x 3 x 3

Prime Factorization of 790 is 2 x 5 x 79

Prime Factorization of 578 is 2 x 17 x 17

Prime Factorization of 155 is 5 x 31

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(729, 790) = 575910

GCD(729, 790) = ( 729 x 790 ) / 575910

GCD(729, 790) = 575910 / 575910

GCD(729, 790) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 578

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

LCM(1, 578) = 578

GCD(1, 578) = ( 1 x 578 ) / 578

GCD(1, 578) = 578 / 578

GCD(1, 578) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 155

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

LCM(1, 155) = 155

GCD(1, 155) = ( 1 x 155 ) / 155

GCD(1, 155) = 155 / 155

GCD(1, 155) = 1

GCD of 729, 790, 578, 155 is 1

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1. What is the GCD of 729, 790, 578, 155?

GCD of 729, 790, 578, 155 is 1

2. Where do I get the detailed procedure to find GCD of 729, 790, 578, 155?

You can find a detailed procedure to find GCD of 729, 790, 578, 155 on our page.

3. How to find GCD of 729, 790, 578, 155 on a calculator?

You can find the GCD of 729, 790, 578, 155 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.