GCD of 351, 217, 857 Calculator

Given Input numbers are 351, 217, 857

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

Divisors of 351

List of positive integer divisors of 351 that divides 351 without a remainder.

1, 3, 9, 13, 27, 39, 117, 351

Divisors of 217

List of positive integer divisors of 217 that divides 217 without a remainder.

1, 7, 31, 217

Divisors of 857

List of positive integer divisors of 857 that divides 857 without a remainder.

1, 857

Greatest Common Divisior

We found the divisors of 351, 217, 857 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 351, 217, 857 is 1.

Therefore, GCD of numbers 351, 217, 857 is 1

Given Input Data is 351, 217, 857

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

Prime Factorization of 351 is 3 x 3 x 3 x 13

Prime Factorization of 217 is 7 x 31

Prime Factorization of 857 is 857

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(351, 217) = 76167

GCD(351, 217) = ( 351 x 217 ) / 76167

GCD(351, 217) = 76167 / 76167

GCD(351, 217) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 857

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

LCM(1, 857) = 857

GCD(1, 857) = ( 1 x 857 ) / 857

GCD(1, 857) = 857 / 857

GCD(1, 857) = 1

GCD of 351, 217, 857 is 1

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1. What is the GCD of 351, 217, 857?

GCD of 351, 217, 857 is 1

2. Where do I get the detailed procedure to find GCD of 351, 217, 857?

You can find a detailed procedure to find GCD of 351, 217, 857 on our page.

3. How to find GCD of 351, 217, 857 on a calculator?

You can find the GCD of 351, 217, 857 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.