GCD of 252, 216, 420 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 252, 216, 420 quickly. Get the easiest ways to solve the greatest common divisor of 252, 216, 420 i.e 12 in different methods as follows.
Given Input numbers are 252, 216, 420
In the factoring method, we have to find the divisors of all numbers
Divisors of 252 :
The positive integer divisors of 252 that completely divides 252 are.
1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252
Divisors of 216 :
The positive integer divisors of 216 that completely divides 216 are.
1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216
Divisors of 420 :
The positive integer divisors of 420 that completely divides 420 are.
1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420
GCD of numbers is the greatest common divisor
So, the GCD (252, 216, 420) = 12.
Given numbers are 252, 216, 420
The list of prime factors of all numbers are
Prime factors of 252 are 2 x 2 x 3 x 3 x 7
Prime factors of 216 are 2 x 2 x 2 x 3 x 3 x 3
Prime factors of 420 are 2 x 2 x 3 x 5 x 7
The highest common occurrence is 22 x 31
Therefore, GCD of 252, 216, 420 is 12.
Steps to Calculate GCD of 252, 216, 420 using LCM Formula
Given numbers are 252, 216, 420
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(252, 216) = 1512
GCD(252, 216) = ( 252 x 216 ) / 1512
= 252 / 216
= 252
Step2:
LCM(36, 420) = 1260
GCD(36, 420) = ( 36 x 420 ) / 1260
= 36 / 420
= 36
So, Greatest Common Divisor of 252, 216, 420 is 12
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 252, 216, 420
Given numbers are 252, 216, 420
The greatest common divisor of numbers 252, 216, 420 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 252, 216, 420 is 12.
FAQs on GCD of 252, 216, 420 Calculator
1. What is the GCD of 252, 216, 420?
GCD of given numbers 252, 216, 420 is 12
2. How to calculate the greatest common divisor of 252, 216, 420?
We can find the highest common divisor of 252, 216, 420 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 252, 216, 420 i.e 12.
3. How can I use the GCD of 252, 216, 420Calculator?
Out the numbers 252, 216, 420 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.