GCD of 198, 428, 391 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 198, 428, 391 quickly. Get the easiest ways to solve the greatest common divisor of 198, 428, 391 i.e 1 in different methods as follows.
Given Input numbers are 198, 428, 391
In the factoring method, we have to find the divisors of all numbers
Divisors of 198 :
The positive integer divisors of 198 that completely divides 198 are.
1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198
Divisors of 428 :
The positive integer divisors of 428 that completely divides 428 are.
1, 2, 4, 107, 214, 428
Divisors of 391 :
The positive integer divisors of 391 that completely divides 391 are.
1, 17, 23, 391
GCD of numbers is the greatest common divisor
So, the GCD (198, 428, 391) = 1.
Given numbers are 198, 428, 391
The list of prime factors of all numbers are
Prime factors of 198 are 2 x 3 x 3 x 11
Prime factors of 428 are 2 x 2 x 107
Prime factors of 391 are 17 x 23
The above numbers do not have any common prime factor. So GCD is 1
Steps to Calculate GCD of 198, 428, 391 using LCM Formula
Given numbers are 198, 428, 391
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(198, 428) = 42372
GCD(198, 428) = ( 198 x 428 ) / 42372
= 198 / 428
= 198
Step2:
LCM(2, 391) = 782
GCD(2, 391) = ( 2 x 391 ) / 782
= 2 / 391
= 2
So, Greatest Common Divisor of 198, 428, 391 is 1
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 198, 428, 391
Given numbers are 198, 428, 391
The greatest common divisor of numbers 198, 428, 391 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 198, 428, 391 is 1.
FAQs on GCD of 198, 428, 391 Calculator
1. What is the GCD of 198, 428, 391?
GCD of given numbers 198, 428, 391 is 1
2. How to calculate the greatest common divisor of 198, 428, 391?
We can find the highest common divisor of 198, 428, 391 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 198, 428, 391 i.e 1.
3. How can I use the GCD of 198, 428, 391Calculator?
Out the numbers 198, 428, 391 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.