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GCD of 800, 680, 640 Calculator

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


Online GCD Calculator is useful to find the GCD of 800, 680, 640 quickly. Get the easiest ways to solve the greatest common divisor of 800, 680, 640 i.e 40 in different methods as follows.

GCD of

How to Find GCD of Numbers 800, 680, 640 with Factoring?

Given Input numbers are 800, 680, 640

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

Divisors of 800 :

The positive integer divisors of 800 that completely divides 800 are.

1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800

Divisors of 680 :

The positive integer divisors of 680 that completely divides 680 are.

1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680

Divisors of 640 :

The positive integer divisors of 640 that completely divides 640 are.

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640


GCD of numbers is the greatest common divisor

So, the GCD (800, 680, 640) = 40.

Find GCD of 800, 680, 640 using Prime Factorization

Given numbers are 800, 680, 640

The list of prime factors of all numbers are

Prime factors of 800 are 2 x 2 x 2 x 2 x 2 x 5 x 5

Prime factors of 680 are 2 x 2 x 2 x 5 x 17

Prime factors of 640 are 2 x 2 x 2 x 2 x 2 x 2 x 2 x 5

The highest common occurrence is 23 x 51

Therefore, GCD of 800, 680, 640 is 40.

Steps to Calculate GCD of 800, 680, 640 using LCM Formula

Given numbers are 800, 680, 640

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

Apply this formula for all numbers.

Step1:

LCM(800, 680) = 13600

GCD(800, 680) = ( 800 x 680 ) / 13600

= 800 / 680

= 800


Step2:

LCM(40, 640) = 640

GCD(40, 640) = ( 40 x 640 ) / 640

= 40 / 640

= 40


So, Greatest Common Divisor of 800, 680, 640 is 40

GCD of Numbers Calculation Examples

Greatest Common Divisor of 800, 680, 640

Given numbers are 800, 680, 640
The greatest common divisor of numbers 800, 680, 640 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 800, 680, 640 is 40.

FAQs on GCD of 800, 680, 640 Calculator

1. What is the GCD of 800, 680, 640?

GCD of given numbers 800, 680, 640 is 40


2. How to calculate the greatest common divisor of 800, 680, 640?

We can find the highest common divisor of 800, 680, 640 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 800, 680, 640 i.e 40.


3. How can I use the GCD of 800, 680, 640Calculator?

Out the numbers 800, 680, 640 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.