GCD of 649, 485, 80 Calculator

Given Input numbers are 649, 485, 80

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

Divisors of 649

List of positive integer divisors of 649 that divides 649 without a remainder.

1, 11, 59, 649

Divisors of 485

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

1, 5, 97, 485

Divisors of 80

List of positive integer divisors of 80 that divides 80 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 40, 80

Greatest Common Divisior

We found the divisors of 649, 485, 80 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 649, 485, 80 is 1.

Therefore, GCD of numbers 649, 485, 80 is 1

Given Input Data is 649, 485, 80

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

Prime Factorization of 649 is 11 x 59

Prime Factorization of 485 is 5 x 97

Prime Factorization of 80 is 2 x 2 x 2 x 2 x 5

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(649, 485) = 314765

GCD(649, 485) = ( 649 x 485 ) / 314765

GCD(649, 485) = 314765 / 314765

GCD(649, 485) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 80

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

LCM(1, 80) = 80

GCD(1, 80) = ( 1 x 80 ) / 80

GCD(1, 80) = 80 / 80

GCD(1, 80) = 1

GCD of 649, 485, 80 is 1

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1. What is the GCD of 649, 485, 80?

GCD of 649, 485, 80 is 1

2. Where do I get the detailed procedure to find GCD of 649, 485, 80?

You can find a detailed procedure to find GCD of 649, 485, 80 on our page.

3. How to find GCD of 649, 485, 80 on a calculator?

You can find the GCD of 649, 485, 80 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.