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GCD of 397, 122, 861 Calculator

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


Online GCD Calculator is useful to find the GCD of 397, 122, 861 quickly. Get the easiest ways to solve the greatest common divisor of 397, 122, 861 i.e 1 in different methods as follows.

GCD of

How to Find GCD of Numbers 397, 122, 861 with Factoring?

Given Input numbers are 397, 122, 861

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

Divisors of 397 :

The positive integer divisors of 397 that completely divides 397 are.

1, 397

Divisors of 122 :

The positive integer divisors of 122 that completely divides 122 are.

1, 2, 61, 122

Divisors of 861 :

The positive integer divisors of 861 that completely divides 861 are.

1, 3, 7, 21, 41, 123, 287, 861


GCD of numbers is the greatest common divisor

So, the GCD (397, 122, 861) = 1.

Find GCD of 397, 122, 861 using Prime Factorization

Given numbers are 397, 122, 861

The list of prime factors of all numbers are

Prime factors of 397 are 397

Prime factors of 122 are 2 x 61

Prime factors of 861 are 3 x 7 x 41

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

Steps to Calculate GCD of 397, 122, 861 using LCM Formula

Given numbers are 397, 122, 861

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

Apply this formula for all numbers.

Step1:

LCM(397, 122) = 48434

GCD(397, 122) = ( 397 x 122 ) / 48434

= 397 / 122

= 397


Step2:

LCM(1, 861) = 861

GCD(1, 861) = ( 1 x 861 ) / 861

= 1 / 861

= 1


So, Greatest Common Divisor of 397, 122, 861 is 1

GCD of Numbers Calculation Examples

Greatest Common Divisor of 397, 122, 861

Given numbers are 397, 122, 861
The greatest common divisor of numbers 397, 122, 861 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 397, 122, 861 is 1.

FAQs on GCD of 397, 122, 861 Calculator

1. What is the GCD of 397, 122, 861?

GCD of given numbers 397, 122, 861 is 1


2. How to calculate the greatest common divisor of 397, 122, 861?

We can find the highest common divisor of 397, 122, 861 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 397, 122, 861 i.e 1.


3. How can I use the GCD of 397, 122, 861Calculator?

Out the numbers 397, 122, 861 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.