GCD of 691, 662, 65, 865 Calculator

Given Input numbers are 691, 662, 65, 865

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

Divisors of 691

List of positive integer divisors of 691 that divides 691 without a remainder.

1, 691

Divisors of 662

List of positive integer divisors of 662 that divides 662 without a remainder.

1, 2, 331, 662

Divisors of 65

List of positive integer divisors of 65 that divides 65 without a remainder.

1, 5, 13, 65

Divisors of 865

List of positive integer divisors of 865 that divides 865 without a remainder.

1, 5, 173, 865

Greatest Common Divisior

We found the divisors of 691, 662, 65, 865 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 691, 662, 65, 865 is 1.

Therefore, GCD of numbers 691, 662, 65, 865 is 1

Given Input Data is 691, 662, 65, 865

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

Prime Factorization of 691 is 691

Prime Factorization of 662 is 2 x 331

Prime Factorization of 65 is 5 x 13

Prime Factorization of 865 is 5 x 173

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(691, 662) = 457442

GCD(691, 662) = ( 691 x 662 ) / 457442

GCD(691, 662) = 457442 / 457442

GCD(691, 662) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 65

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

LCM(1, 65) = 65

GCD(1, 65) = ( 1 x 65 ) / 65

GCD(1, 65) = 65 / 65

GCD(1, 65) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 865

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

LCM(1, 865) = 865

GCD(1, 865) = ( 1 x 865 ) / 865

GCD(1, 865) = 865 / 865

GCD(1, 865) = 1

GCD of 691, 662, 65, 865 is 1

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1. What is the GCD of 691, 662, 65, 865?

GCD of 691, 662, 65, 865 is 1

2. Where do I get the detailed procedure to find GCD of 691, 662, 65, 865?

You can find a detailed procedure to find GCD of 691, 662, 65, 865 on our page.

3. How to find GCD of 691, 662, 65, 865 on a calculator?

You can find the GCD of 691, 662, 65, 865 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.