GCD of 845, 493, 783, 660 Calculator

Given Input numbers are 845, 493, 783, 660

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

Divisors of 845

List of positive integer divisors of 845 that divides 845 without a remainder.

1, 5, 13, 65, 169, 845

Divisors of 493

List of positive integer divisors of 493 that divides 493 without a remainder.

1, 17, 29, 493

Divisors of 783

List of positive integer divisors of 783 that divides 783 without a remainder.

1, 3, 9, 27, 29, 87, 261, 783

Divisors of 660

List of positive integer divisors of 660 that divides 660 without a remainder.

1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660

Greatest Common Divisior

We found the divisors of 845, 493, 783, 660 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 845, 493, 783, 660 is 1.

Therefore, GCD of numbers 845, 493, 783, 660 is 1

Given Input Data is 845, 493, 783, 660

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

Prime Factorization of 845 is 5 x 13 x 13

Prime Factorization of 493 is 17 x 29

Prime Factorization of 783 is 3 x 3 x 3 x 29

Prime Factorization of 660 is 2 x 2 x 3 x 5 x 11

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(845, 493) = 416585

GCD(845, 493) = ( 845 x 493 ) / 416585

GCD(845, 493) = 416585 / 416585

GCD(845, 493) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 783

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

LCM(1, 783) = 783

GCD(1, 783) = ( 1 x 783 ) / 783

GCD(1, 783) = 783 / 783

GCD(1, 783) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 660

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

LCM(1, 660) = 660

GCD(1, 660) = ( 1 x 660 ) / 660

GCD(1, 660) = 660 / 660

GCD(1, 660) = 1

GCD of 845, 493, 783, 660 is 1

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1. What is the GCD of 845, 493, 783, 660?

GCD of 845, 493, 783, 660 is 1

2. Where do I get the detailed procedure to find GCD of 845, 493, 783, 660?

You can find a detailed procedure to find GCD of 845, 493, 783, 660 on our page.

3. How to find GCD of 845, 493, 783, 660 on a calculator?

You can find the GCD of 845, 493, 783, 660 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.