GCD of 878, 689, 720 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 878, 689, 720 quickly. Get the easiest ways to solve the greatest common divisor of 878, 689, 720 i.e 1 in different methods as follows.
Given Input numbers are 878, 689, 720
In the factoring method, we have to find the divisors of all numbers
Divisors of 878 :
The positive integer divisors of 878 that completely divides 878 are.
1, 2, 439, 878
Divisors of 689 :
The positive integer divisors of 689 that completely divides 689 are.
1, 13, 53, 689
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 (878, 689, 720) = 1.
Given numbers are 878, 689, 720
The list of prime factors of all numbers are
Prime factors of 878 are 2 x 439
Prime factors of 689 are 13 x 53
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 878, 689, 720 using LCM Formula
Given numbers are 878, 689, 720
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(878, 689) = 604942
GCD(878, 689) = ( 878 x 689 ) / 604942
= 878 / 689
= 878
Step2:
LCM(1, 720) = 720
GCD(1, 720) = ( 1 x 720 ) / 720
= 1 / 720
= 1
So, Greatest Common Divisor of 878, 689, 720 is 1
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 878, 689, 720
Given numbers are 878, 689, 720
The greatest common divisor of numbers 878, 689, 720 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 878, 689, 720 is 1.
FAQs on GCD of 878, 689, 720 Calculator
1. What is the GCD of 878, 689, 720?
GCD of given numbers 878, 689, 720 is 1
2. How to calculate the greatest common divisor of 878, 689, 720?
We can find the highest common divisor of 878, 689, 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 878, 689, 720 i.e 1.
3. How can I use the GCD of 878, 689, 720Calculator?
Out the numbers 878, 689, 720 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.