GCD of 647, 791, 690 Calculator

Given Input numbers are 647, 791, 690

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

Divisors of 647

List of positive integer divisors of 647 that divides 647 without a remainder.

1, 647

Divisors of 791

List of positive integer divisors of 791 that divides 791 without a remainder.

1, 7, 113, 791

Divisors of 690

List of positive integer divisors of 690 that divides 690 without a remainder.

1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690

Greatest Common Divisior

We found the divisors of 647, 791, 690 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 647, 791, 690 is 1.

Therefore, GCD of numbers 647, 791, 690 is 1

Given Input Data is 647, 791, 690

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

Prime Factorization of 647 is 647

Prime Factorization of 791 is 7 x 113

Prime Factorization of 690 is 2 x 3 x 5 x 23

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(647, 791) = 511777

GCD(647, 791) = ( 647 x 791 ) / 511777

GCD(647, 791) = 511777 / 511777

GCD(647, 791) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 690

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

LCM(1, 690) = 690

GCD(1, 690) = ( 1 x 690 ) / 690

GCD(1, 690) = 690 / 690

GCD(1, 690) = 1

GCD of 647, 791, 690 is 1

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• GCD of 914, 650, 746
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1. What is the GCD of 647, 791, 690?

GCD of 647, 791, 690 is 1

2. Where do I get the detailed procedure to find GCD of 647, 791, 690?

You can find a detailed procedure to find GCD of 647, 791, 690 on our page.

3. How to find GCD of 647, 791, 690 on a calculator?

You can find the GCD of 647, 791, 690 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.