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GCD of 865, 792, 720 Calculator

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


Online GCD Calculator is useful to find the GCD of 865, 792, 720 quickly. Get the easiest ways to solve the greatest common divisor of 865, 792, 720 i.e 1 in different methods as follows.

GCD of

How to Find GCD of Numbers 865, 792, 720 with Factoring?

Given Input numbers are 865, 792, 720

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

Divisors of 865 :

The positive integer divisors of 865 that completely divides 865 are.

1, 5, 173, 865

Divisors of 792 :

The positive integer divisors of 792 that completely divides 792 are.

1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 132, 198, 264, 396, 792

Divisors of 720 :

The positive integer divisors of 720 that completely divides 720 are.

1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720


GCD of numbers is the greatest common divisor

So, the GCD (865, 792, 720) = 1.

Find GCD of 865, 792, 720 using Prime Factorization

Given numbers are 865, 792, 720

The list of prime factors of all numbers are

Prime factors of 865 are 5 x 173

Prime factors of 792 are 2 x 2 x 2 x 3 x 3 x 11

Prime factors of 720 are 2 x 2 x 2 x 2 x 3 x 3 x 5

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

Steps to Calculate GCD of 865, 792, 720 using LCM Formula

Given numbers are 865, 792, 720

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

Apply this formula for all numbers.

Step1:

LCM(865, 792) = 685080

GCD(865, 792) = ( 865 x 792 ) / 685080

= 865 / 792

= 865


Step2:

LCM(1, 720) = 720

GCD(1, 720) = ( 1 x 720 ) / 720

= 1 / 720

= 1


So, Greatest Common Divisor of 865, 792, 720 is 1

GCD of Numbers Calculation Examples

Greatest Common Divisor of 865, 792, 720

Given numbers are 865, 792, 720
The greatest common divisor of numbers 865, 792, 720 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 865, 792, 720 is 1.

FAQs on GCD of 865, 792, 720 Calculator

1. What is the GCD of 865, 792, 720?

GCD of given numbers 865, 792, 720 is 1


2. How to calculate the greatest common divisor of 865, 792, 720?

We can find the highest common divisor of 865, 792, 720 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 865, 792, 720 i.e 1.


3. How can I use the GCD of 865, 792, 720Calculator?

Out the numbers 865, 792, 720 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.