GCD of 189, 689, 258 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 189, 689, 258 quickly. Get the easiest ways to solve the greatest common divisor of 189, 689, 258 i.e 1 in different methods as follows.
Given Input numbers are 189, 689, 258
In the factoring method, we have to find the divisors of all numbers
Divisors of 189 :
The positive integer divisors of 189 that completely divides 189 are.
1, 3, 7, 9, 21, 27, 63, 189
Divisors of 689 :
The positive integer divisors of 689 that completely divides 689 are.
1, 13, 53, 689
Divisors of 258 :
The positive integer divisors of 258 that completely divides 258 are.
1, 2, 3, 6, 43, 86, 129, 258
GCD of numbers is the greatest common divisor
So, the GCD (189, 689, 258) = 1.
Given numbers are 189, 689, 258
The list of prime factors of all numbers are
Prime factors of 189 are 3 x 3 x 3 x 7
Prime factors of 689 are 13 x 53
Prime factors of 258 are 2 x 3 x 43
The above numbers do not have any common prime factor. So GCD is 1
Steps to Calculate GCD of 189, 689, 258 using LCM Formula
Given numbers are 189, 689, 258
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(189, 689) = 130221
GCD(189, 689) = ( 189 x 689 ) / 130221
= 189 / 689
= 189
Step2:
LCM(1, 258) = 258
GCD(1, 258) = ( 1 x 258 ) / 258
= 1 / 258
= 1
So, Greatest Common Divisor of 189, 689, 258 is 1
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 189, 689, 258
Given numbers are 189, 689, 258
The greatest common divisor of numbers 189, 689, 258 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 189, 689, 258 is 1.
FAQs on GCD of 189, 689, 258 Calculator
1. What is the GCD of 189, 689, 258?
GCD of given numbers 189, 689, 258 is 1
2. How to calculate the greatest common divisor of 189, 689, 258?
We can find the highest common divisor of 189, 689, 258 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 189, 689, 258 i.e 1.
3. How can I use the GCD of 189, 689, 258Calculator?
Out the numbers 189, 689, 258 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.