GCD of 432, 221, 438 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 432, 221, 438 quickly. Get the easiest ways to solve the greatest common divisor of 432, 221, 438 i.e 1 in different methods as follows.
Given Input numbers are 432, 221, 438
In the factoring method, we have to find the divisors of all numbers
Divisors of 432 :
The positive integer divisors of 432 that completely divides 432 are.
1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432
Divisors of 221 :
The positive integer divisors of 221 that completely divides 221 are.
1, 13, 17, 221
Divisors of 438 :
The positive integer divisors of 438 that completely divides 438 are.
1, 2, 3, 6, 73, 146, 219, 438
GCD of numbers is the greatest common divisor
So, the GCD (432, 221, 438) = 1.
Given numbers are 432, 221, 438
The list of prime factors of all numbers are
Prime factors of 432 are 2 x 2 x 2 x 2 x 3 x 3 x 3
Prime factors of 221 are 13 x 17
Prime factors of 438 are 2 x 3 x 73
The above numbers do not have any common prime factor. So GCD is 1
Steps to Calculate GCD of 432, 221, 438 using LCM Formula
Given numbers are 432, 221, 438
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(432, 221) = 95472
GCD(432, 221) = ( 432 x 221 ) / 95472
= 432 / 221
= 432
Step2:
LCM(1, 438) = 438
GCD(1, 438) = ( 1 x 438 ) / 438
= 1 / 438
= 1
So, Greatest Common Divisor of 432, 221, 438 is 1
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 432, 221, 438
Given numbers are 432, 221, 438
The greatest common divisor of numbers 432, 221, 438 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 432, 221, 438 is 1.
FAQs on GCD of 432, 221, 438 Calculator
1. What is the GCD of 432, 221, 438?
GCD of given numbers 432, 221, 438 is 1
2. How to calculate the greatest common divisor of 432, 221, 438?
We can find the highest common divisor of 432, 221, 438 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 432, 221, 438 i.e 1.
3. How can I use the GCD of 432, 221, 438Calculator?
Out the numbers 432, 221, 438 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.