GCD of 423, 399, 842 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 423, 399, 842 quickly. Get the easiest ways to solve the greatest common divisor of 423, 399, 842 i.e 1 in different methods as follows.
Given Input numbers are 423, 399, 842
In the factoring method, we have to find the divisors of all numbers
Divisors of 423 :
The positive integer divisors of 423 that completely divides 423 are.
1, 3, 9, 47, 141, 423
Divisors of 399 :
The positive integer divisors of 399 that completely divides 399 are.
1, 3, 7, 19, 21, 57, 133, 399
Divisors of 842 :
The positive integer divisors of 842 that completely divides 842 are.
1, 2, 421, 842
GCD of numbers is the greatest common divisor
So, the GCD (423, 399, 842) = 1.
Given numbers are 423, 399, 842
The list of prime factors of all numbers are
Prime factors of 423 are 3 x 3 x 47
Prime factors of 399 are 3 x 7 x 19
Prime factors of 842 are 2 x 421
The above numbers do not have any common prime factor. So GCD is 1
Steps to Calculate GCD of 423, 399, 842 using LCM Formula
Given numbers are 423, 399, 842
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(423, 399) = 56259
GCD(423, 399) = ( 423 x 399 ) / 56259
= 423 / 399
= 423
Step2:
LCM(3, 842) = 2526
GCD(3, 842) = ( 3 x 842 ) / 2526
= 3 / 842
= 3
So, Greatest Common Divisor of 423, 399, 842 is 1
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 423, 399, 842
Given numbers are 423, 399, 842
The greatest common divisor of numbers 423, 399, 842 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 423, 399, 842 is 1.
FAQs on GCD of 423, 399, 842 Calculator
1. What is the GCD of 423, 399, 842?
GCD of given numbers 423, 399, 842 is 1
2. How to calculate the greatest common divisor of 423, 399, 842?
We can find the highest common divisor of 423, 399, 842 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 423, 399, 842 i.e 1.
3. How can I use the GCD of 423, 399, 842Calculator?
Out the numbers 423, 399, 842 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.