GCD of 145, 485, 470, 813 Calculator

Given Input numbers are 145, 485, 470, 813

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

Divisors of 145

List of positive integer divisors of 145 that divides 145 without a remainder.

1, 5, 29, 145

Divisors of 485

List of positive integer divisors of 485 that divides 485 without a remainder.

1, 5, 97, 485

Divisors of 470

List of positive integer divisors of 470 that divides 470 without a remainder.

1, 2, 5, 10, 47, 94, 235, 470

Divisors of 813

List of positive integer divisors of 813 that divides 813 without a remainder.

1, 3, 271, 813

Greatest Common Divisior

We found the divisors of 145, 485, 470, 813 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 145, 485, 470, 813 is 1.

Therefore, GCD of numbers 145, 485, 470, 813 is 1

Given Input Data is 145, 485, 470, 813

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

Prime Factorization of 145 is 5 x 29

Prime Factorization of 485 is 5 x 97

Prime Factorization of 470 is 2 x 5 x 47

Prime Factorization of 813 is 3 x 271

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(145, 485) = 14065

GCD(145, 485) = ( 145 x 485 ) / 14065

GCD(145, 485) = 70325 / 14065

GCD(145, 485) = 5

Step2:

Here we consider the GCD from the above i.e. 5 as first number and the next as 470

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

LCM(5, 470) = 470

GCD(5, 470) = ( 5 x 470 ) / 470

GCD(5, 470) = 2350 / 470

GCD(5, 470) = 5

Step3:

Here we consider the GCD from the above i.e. 5 as first number and the next as 813

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

LCM(5, 813) = 4065

GCD(5, 813) = ( 5 x 813 ) / 4065

GCD(5, 813) = 4065 / 4065

GCD(5, 813) = 1

GCD of 145, 485, 470, 813 is 1

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1. What is the GCD of 145, 485, 470, 813?

GCD of 145, 485, 470, 813 is 1

2. Where do I get the detailed procedure to find GCD of 145, 485, 470, 813?

You can find a detailed procedure to find GCD of 145, 485, 470, 813 on our page.

3. How to find GCD of 145, 485, 470, 813 on a calculator?

You can find the GCD of 145, 485, 470, 813 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.