Where do I get the detailed procedure to find GCD of 207, 210, 691?

You can find a detailed procedure to find GCD of 207, 210, 691 on our page.

How to find GCD of 207, 210, 691 on a calculator?

You can find the GCD of 207, 210, 691 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.

GCD of 207, 210, 691 Calculator

Created By : Veerendra
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023

Online GCD Calculator is useful to find the GCD of 207, 210, 691 quickly. Get the easiest ways to solve the greatest common divisor of 207, 210, 691 i.e 1 in different methods as follows.

How to Find GCD of Numbers 207, 210, 691 with Factoring?

Given Input numbers are 207, 210, 691

In the factoring method, we have to find the divisors of all numbers

Divisors of 207 :

The positive integer divisors of 207 that completely divides 207 are.

1, 3, 9, 23, 69, 207

Divisors of 210 :

The positive integer divisors of 210 that completely divides 210 are.

1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210

Divisors of 691 :

The positive integer divisors of 691 that completely divides 691 are.

1, 691

GCD of numbers is the greatest common divisor

So, the GCD (207, 210, 691) = 1.

Find GCD of 207, 210, 691 using Prime Factorization

Given numbers are 207, 210, 691

The list of prime factors of all numbers are

Prime factors of 207 are 3 x 3 x 23

Prime factors of 210 are 2 x 3 x 5 x 7

Prime factors of 691 are 691

The above numbers do not have any common prime factor. So GCD is 1

Steps to Calculate GCD of 207, 210, 691 using LCM Formula

Given numbers are 207, 210, 691

GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)

Apply this formula for all numbers.

Step1:

LCM(207, 210) = 14490

GCD(207, 210) = ( 207 x 210 ) / 14490

= 207 / 210

= 207

Step2:

LCM(3, 691) = 2073

GCD(3, 691) = ( 3 x 691 ) / 2073

= 3 / 691

= 3

So, Greatest Common Divisor of 207, 210, 691 is 1

GCD of Numbers Calculation Examples

Here are some samples of GCD of Numbers calculations.

Greatest Common Divisor of 207, 210, 691

Given numbers are 207, 210, 691
The greatest common divisor of numbers 207, 210, 691 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 207, 210, 691 is 1.

FAQs on GCD of 207, 210, 691 Calculator

1. What is the GCD of 207, 210, 691?

GCD of given numbers 207, 210, 691 is 1

2. How to calculate the greatest common divisor of 207, 210, 691?

We can find the highest common divisor of 207, 210, 691 easily using the prime factorization method. Just list the prime factors of all numbers and pick the highest common factor which is the GCD of 207, 210, 691 i.e 1.

3. How can I use the GCD of 207, 210, 691Calculator?

Out the numbers 207, 210, 691 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.