GCD of 691, 661, 778, 866 Calculator

Given Input numbers are 691, 661, 778, 866

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 661

List of positive integer divisors of 661 that divides 661 without a remainder.

1, 661

Divisors of 778

List of positive integer divisors of 778 that divides 778 without a remainder.

1, 2, 389, 778

Divisors of 866

List of positive integer divisors of 866 that divides 866 without a remainder.

1, 2, 433, 866

Greatest Common Divisior

We found the divisors of 691, 661, 778, 866 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 691, 661, 778, 866 is 1.

Therefore, GCD of numbers 691, 661, 778, 866 is 1

Given Input Data is 691, 661, 778, 866

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

Prime Factorization of 691 is 691

Prime Factorization of 661 is 661

Prime Factorization of 778 is 2 x 389

Prime Factorization of 866 is 2 x 433

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, 661) = 456751

GCD(691, 661) = ( 691 x 661 ) / 456751

GCD(691, 661) = 456751 / 456751

GCD(691, 661) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 778

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

LCM(1, 778) = 778

GCD(1, 778) = ( 1 x 778 ) / 778

GCD(1, 778) = 778 / 778

GCD(1, 778) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 866

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

LCM(1, 866) = 866

GCD(1, 866) = ( 1 x 866 ) / 866

GCD(1, 866) = 866 / 866

GCD(1, 866) = 1

GCD of 691, 661, 778, 866 is 1

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1. What is the GCD of 691, 661, 778, 866?

GCD of 691, 661, 778, 866 is 1

2. Where do I get the detailed procedure to find GCD of 691, 661, 778, 866?

You can find a detailed procedure to find GCD of 691, 661, 778, 866 on our page.

3. How to find GCD of 691, 661, 778, 866 on a calculator?

You can find the GCD of 691, 661, 778, 866 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.