GCD of 391, 389, 423, 843 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 391, 389, 423, 843 quickly. Get the easiest ways to solve the greatest common divisor of 391, 389, 423, 843 i.e 1 in different methods as follows.
Given Input numbers are 391, 389, 423, 843
In the factoring method, we have to find the divisors of all numbers
Divisors of 391 :
The positive integer divisors of 391 that completely divides 391 are.
1, 17, 23, 391
Divisors of 389 :
The positive integer divisors of 389 that completely divides 389 are.
1, 389
Divisors of 423 :
The positive integer divisors of 423 that completely divides 423 are.
1, 3, 9, 47, 141, 423
Divisors of 843 :
The positive integer divisors of 843 that completely divides 843 are.
1, 3, 281, 843
GCD of numbers is the greatest common divisor
So, the GCD (391, 389, 423, 843) = 1.
Given numbers are 391, 389, 423, 843
The list of prime factors of all numbers are
Prime factors of 391 are 17 x 23
Prime factors of 389 are 389
Prime factors of 423 are 3 x 3 x 47
Prime factors of 843 are 3 x 281
The above numbers do not have any common prime factor. So GCD is 1
Steps to Calculate GCD of 391, 389, 423, 843 using LCM Formula
Given numbers are 391, 389, 423, 843
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(391, 389) = 152099
GCD(391, 389) = ( 391 x 389 ) / 152099
= 391 / 389
= 391
Step2:
LCM(1, 423) = 423
GCD(1, 423) = ( 1 x 423 ) / 423
= 1 / 423
= 1
Step3:
LCM(1, 843) = 843
GCD(1, 843) = ( 1 x 843 ) / 843
= 1 / 843
= 1
So, Greatest Common Divisor of 391, 389, 423, 843 is 1
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 391, 389, 423, 843
Given numbers are 391, 389, 423, 843
The greatest common divisor of numbers 391, 389, 423, 843 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 391, 389, 423, 843 is 1.
FAQs on GCD of 391, 389, 423, 843 Calculator
1. What is the GCD of 391, 389, 423, 843?
GCD of given numbers 391, 389, 423, 843 is 1
2. How to calculate the greatest common divisor of 391, 389, 423, 843?
We can find the highest common divisor of 391, 389, 423, 843 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 391, 389, 423, 843 i.e 1.
3. How can I use the GCD of 391, 389, 423, 843Calculator?
Out the numbers 391, 389, 423, 843 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.