GCD of 162, 405, 180 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 162, 405, 180 quickly. Get the easiest ways to solve the greatest common divisor of 162, 405, 180 i.e 9 in different methods as follows.
Given Input numbers are 162, 405, 180
In the factoring method, we have to find the divisors of all numbers
Divisors of 162 :
The positive integer divisors of 162 that completely divides 162 are.
1, 2, 3, 6, 9, 18, 27, 54, 81, 162
Divisors of 405 :
The positive integer divisors of 405 that completely divides 405 are.
1, 3, 5, 9, 15, 27, 45, 81, 135, 405
Divisors of 180 :
The positive integer divisors of 180 that completely divides 180 are.
1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180
GCD of numbers is the greatest common divisor
So, the GCD (162, 405, 180) = 9.
Given numbers are 162, 405, 180
The list of prime factors of all numbers are
Prime factors of 162 are 2 x 3 x 3 x 3 x 3
Prime factors of 405 are 3 x 3 x 3 x 3 x 5
Prime factors of 180 are 2 x 2 x 3 x 3 x 5
The highest common occurrence is 32
Therefore, GCD of 162, 405, 180 is 9.
Steps to Calculate GCD of 162, 405, 180 using LCM Formula
Given numbers are 162, 405, 180
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(162, 405) = 810
GCD(162, 405) = ( 162 x 405 ) / 810
= 162 / 405
= 162
Step2:
LCM(81, 180) = 1620
GCD(81, 180) = ( 81 x 180 ) / 1620
= 81 / 180
= 81
So, Greatest Common Divisor of 162, 405, 180 is 9
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 162, 405, 180
Given numbers are 162, 405, 180
The greatest common divisor of numbers 162, 405, 180 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 162, 405, 180 is 9.
FAQs on GCD of 162, 405, 180 Calculator
1. What is the GCD of 162, 405, 180?
GCD of given numbers 162, 405, 180 is 9
2. How to calculate the greatest common divisor of 162, 405, 180?
We can find the highest common divisor of 162, 405, 180 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 162, 405, 180 i.e 9.
3. How can I use the GCD of 162, 405, 180Calculator?
Out the numbers 162, 405, 180 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.