GCD of 189, 255, 309 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 189, 255, 309 quickly. Get the easiest ways to solve the greatest common divisor of 189, 255, 309 i.e 3 in different methods as follows.
Given Input numbers are 189, 255, 309
In the factoring method, we have to find the divisors of all numbers
Divisors of 189 :
The positive integer divisors of 189 that completely divides 189 are.
1, 3, 7, 9, 21, 27, 63, 189
Divisors of 255 :
The positive integer divisors of 255 that completely divides 255 are.
1, 3, 5, 15, 17, 51, 85, 255
Divisors of 309 :
The positive integer divisors of 309 that completely divides 309 are.
1, 3, 103, 309
GCD of numbers is the greatest common divisor
So, the GCD (189, 255, 309) = 3.
Given numbers are 189, 255, 309
The list of prime factors of all numbers are
Prime factors of 189 are 3 x 3 x 3 x 7
Prime factors of 255 are 3 x 5 x 17
Prime factors of 309 are 3 x 103
The highest common occurrence is 31
Therefore, GCD of 189, 255, 309 is 3.
Steps to Calculate GCD of 189, 255, 309 using LCM Formula
Given numbers are 189, 255, 309
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(189, 255) = 16065
GCD(189, 255) = ( 189 x 255 ) / 16065
= 189 / 255
= 189
Step2:
LCM(3, 309) = 309
GCD(3, 309) = ( 3 x 309 ) / 309
= 3 / 309
= 3
So, Greatest Common Divisor of 189, 255, 309 is 3
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 189, 255, 309
Given numbers are 189, 255, 309
The greatest common divisor of numbers 189, 255, 309 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 189, 255, 309 is 3.
FAQs on GCD of 189, 255, 309 Calculator
1. What is the GCD of 189, 255, 309?
GCD of given numbers 189, 255, 309 is 3
2. How to calculate the greatest common divisor of 189, 255, 309?
We can find the highest common divisor of 189, 255, 309 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 189, 255, 309 i.e 3.
3. How can I use the GCD of 189, 255, 309Calculator?
Out the numbers 189, 255, 309 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.