GCD of 756, 123, 72 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 756, 123, 72 quickly. Get the easiest ways to solve the greatest common divisor of 756, 123, 72 i.e 3 in different methods as follows.
Given Input numbers are 756, 123, 72
In the factoring method, we have to find the divisors of all numbers
Divisors of 756 :
The positive integer divisors of 756 that completely divides 756 are.
1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756
Divisors of 123 :
The positive integer divisors of 123 that completely divides 123 are.
1, 3, 41, 123
Divisors of 72 :
The positive integer divisors of 72 that completely divides 72 are.
1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72
GCD of numbers is the greatest common divisor
So, the GCD (756, 123, 72) = 3.
Given numbers are 756, 123, 72
The list of prime factors of all numbers are
Prime factors of 756 are 2 x 2 x 3 x 3 x 3 x 7
Prime factors of 123 are 3 x 41
Prime factors of 72 are 2 x 2 x 2 x 3 x 3
The highest common occurrence is 31
Therefore, GCD of 756, 123, 72 is 3.
Steps to Calculate GCD of 756, 123, 72 using LCM Formula
Given numbers are 756, 123, 72
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(756, 123) = 30996
GCD(756, 123) = ( 756 x 123 ) / 30996
= 756 / 123
= 756
Step2:
LCM(3, 72) = 72
GCD(3, 72) = ( 3 x 72 ) / 72
= 3 / 72
= 3
So, Greatest Common Divisor of 756, 123, 72 is 3
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 756, 123, 72
Given numbers are 756, 123, 72
The greatest common divisor of numbers 756, 123, 72 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 756, 123, 72 is 3.
FAQs on GCD of 756, 123, 72 Calculator
1. What is the GCD of 756, 123, 72?
GCD of given numbers 756, 123, 72 is 3
2. How to calculate the greatest common divisor of 756, 123, 72?
We can find the highest common divisor of 756, 123, 72 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 756, 123, 72 i.e 3.
3. How can I use the GCD of 756, 123, 72Calculator?
Out the numbers 756, 123, 72 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.