GCD of 400, 324, 42 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 400, 324, 42 quickly. Get the easiest ways to solve the greatest common divisor of 400, 324, 42 i.e 2 in different methods as follows.
Given Input numbers are 400, 324, 42
In the factoring method, we have to find the divisors of all numbers
Divisors of 400 :
The positive integer divisors of 400 that completely divides 400 are.
1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400
Divisors of 324 :
The positive integer divisors of 324 that completely divides 324 are.
1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324
Divisors of 42 :
The positive integer divisors of 42 that completely divides 42 are.
1, 2, 3, 6, 7, 14, 21, 42
GCD of numbers is the greatest common divisor
So, the GCD (400, 324, 42) = 2.
Given numbers are 400, 324, 42
The list of prime factors of all numbers are
Prime factors of 400 are 2 x 2 x 2 x 2 x 5 x 5
Prime factors of 324 are 2 x 2 x 3 x 3 x 3 x 3
Prime factors of 42 are 2 x 3 x 7
The highest common occurrence is 21
Therefore, GCD of 400, 324, 42 is 2.
Steps to Calculate GCD of 400, 324, 42 using LCM Formula
Given numbers are 400, 324, 42
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(400, 324) = 32400
GCD(400, 324) = ( 400 x 324 ) / 32400
= 400 / 324
= 400
Step2:
LCM(4, 42) = 84
GCD(4, 42) = ( 4 x 42 ) / 84
= 4 / 42
= 4
So, Greatest Common Divisor of 400, 324, 42 is 2
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 400, 324, 42
Given numbers are 400, 324, 42
The greatest common divisor of numbers 400, 324, 42 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 400, 324, 42 is 2.
FAQs on GCD of 400, 324, 42 Calculator
1. What is the GCD of 400, 324, 42?
GCD of given numbers 400, 324, 42 is 2
2. How to calculate the greatest common divisor of 400, 324, 42?
We can find the highest common divisor of 400, 324, 42 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 400, 324, 42 i.e 2.
3. How can I use the GCD of 400, 324, 42Calculator?
Out the numbers 400, 324, 42 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.