GCD of 438, 780, 879 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 438, 780, 879 quickly. Get the easiest ways to solve the greatest common divisor of 438, 780, 879 i.e 3 in different methods as follows.
Given Input numbers are 438, 780, 879
In the factoring method, we have to find the divisors of all numbers
Divisors of 438 :
The positive integer divisors of 438 that completely divides 438 are.
1, 2, 3, 6, 73, 146, 219, 438
Divisors of 780 :
The positive integer divisors of 780 that completely divides 780 are.
1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780
Divisors of 879 :
The positive integer divisors of 879 that completely divides 879 are.
1, 3, 293, 879
GCD of numbers is the greatest common divisor
So, the GCD (438, 780, 879) = 3.
Given numbers are 438, 780, 879
The list of prime factors of all numbers are
Prime factors of 438 are 2 x 3 x 73
Prime factors of 780 are 2 x 2 x 3 x 5 x 13
Prime factors of 879 are 3 x 293
The highest common occurrence is 31
Therefore, GCD of 438, 780, 879 is 3.
Steps to Calculate GCD of 438, 780, 879 using LCM Formula
Given numbers are 438, 780, 879
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(438, 780) = 56940
GCD(438, 780) = ( 438 x 780 ) / 56940
= 438 / 780
= 438
Step2:
LCM(6, 879) = 1758
GCD(6, 879) = ( 6 x 879 ) / 1758
= 6 / 879
= 6
So, Greatest Common Divisor of 438, 780, 879 is 3
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 438, 780, 879
Given numbers are 438, 780, 879
The greatest common divisor of numbers 438, 780, 879 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 438, 780, 879 is 3.
FAQs on GCD of 438, 780, 879 Calculator
1. What is the GCD of 438, 780, 879?
GCD of given numbers 438, 780, 879 is 3
2. How to calculate the greatest common divisor of 438, 780, 879?
We can find the highest common divisor of 438, 780, 879 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 438, 780, 879 i.e 3.
3. How can I use the GCD of 438, 780, 879Calculator?
Out the numbers 438, 780, 879 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.