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GCD of 861, 686, 10 Calculator

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


Online GCD Calculator is useful to find the GCD of 861, 686, 10 quickly. Get the easiest ways to solve the greatest common divisor of 861, 686, 10 i.e 1 in different methods as follows.

GCD of

How to Find GCD of Numbers 861, 686, 10 with Factoring?

Given Input numbers are 861, 686, 10

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

Divisors of 861 :

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

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

Divisors of 686 :

The positive integer divisors of 686 that completely divides 686 are.

1, 2, 7, 14, 49, 98, 343, 686

Divisors of 10 :

The positive integer divisors of 10 that completely divides 10 are.

1, 2, 5, 10


GCD of numbers is the greatest common divisor

So, the GCD (861, 686, 10) = 1.

Find GCD of 861, 686, 10 using Prime Factorization

Given numbers are 861, 686, 10

The list of prime factors of all numbers are

Prime factors of 861 are 3 x 7 x 41

Prime factors of 686 are 2 x 7 x 7 x 7

Prime factors of 10 are 2 x 5

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

Steps to Calculate GCD of 861, 686, 10 using LCM Formula

Given numbers are 861, 686, 10

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

Apply this formula for all numbers.

Step1:

LCM(861, 686) = 84378

GCD(861, 686) = ( 861 x 686 ) / 84378

= 861 / 686

= 861


Step2:

LCM(7, 10) = 70

GCD(7, 10) = ( 7 x 10 ) / 70

= 7 / 10

= 7


So, Greatest Common Divisor of 861, 686, 10 is 1

GCD of Numbers Calculation Examples

Greatest Common Divisor of 861, 686, 10

Given numbers are 861, 686, 10
The greatest common divisor of numbers 861, 686, 10 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 861, 686, 10 is 1.

FAQs on GCD of 861, 686, 10 Calculator

1. What is the GCD of 861, 686, 10?

GCD of given numbers 861, 686, 10 is 1


2. How to calculate the greatest common divisor of 861, 686, 10?

We can find the highest common divisor of 861, 686, 10 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 861, 686, 10 i.e 1.


3. How can I use the GCD of 861, 686, 10Calculator?

Out the numbers 861, 686, 10 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.