GCD of 213, 420, 392 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 213, 420, 392 quickly. Get the easiest ways to solve the greatest common divisor of 213, 420, 392 i.e 1 in different methods as follows.
Given Input numbers are 213, 420, 392
In the factoring method, we have to find the divisors of all numbers
Divisors of 213 :
The positive integer divisors of 213 that completely divides 213 are.
1, 3, 71, 213
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
Divisors of 392 :
The positive integer divisors of 392 that completely divides 392 are.
1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392
GCD of numbers is the greatest common divisor
So, the GCD (213, 420, 392) = 1.
Given numbers are 213, 420, 392
The list of prime factors of all numbers are
Prime factors of 213 are 3 x 71
Prime factors of 420 are 2 x 2 x 3 x 5 x 7
Prime factors of 392 are 2 x 2 x 2 x 7 x 7
The above numbers do not have any common prime factor. So GCD is 1
Steps to Calculate GCD of 213, 420, 392 using LCM Formula
Given numbers are 213, 420, 392
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(213, 420) = 29820
GCD(213, 420) = ( 213 x 420 ) / 29820
= 213 / 420
= 213
Step2:
LCM(3, 392) = 1176
GCD(3, 392) = ( 3 x 392 ) / 1176
= 3 / 392
= 3
So, Greatest Common Divisor of 213, 420, 392 is 1
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 213, 420, 392
Given numbers are 213, 420, 392
The greatest common divisor of numbers 213, 420, 392 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 213, 420, 392 is 1.
FAQs on GCD of 213, 420, 392 Calculator
1. What is the GCD of 213, 420, 392?
GCD of given numbers 213, 420, 392 is 1
2. How to calculate the greatest common divisor of 213, 420, 392?
We can find the highest common divisor of 213, 420, 392 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 213, 420, 392 i.e 1.
3. How can I use the GCD of 213, 420, 392Calculator?
Out the numbers 213, 420, 392 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.