GCD of 689, 813, 395 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 689, 813, 395 quickly. Get the easiest ways to solve the greatest common divisor of 689, 813, 395 i.e 1 in different methods as follows.
Given Input numbers are 689, 813, 395
In the factoring method, we have to find the divisors of all numbers
Divisors of 689 :
The positive integer divisors of 689 that completely divides 689 are.
1, 13, 53, 689
Divisors of 813 :
The positive integer divisors of 813 that completely divides 813 are.
1, 3, 271, 813
Divisors of 395 :
The positive integer divisors of 395 that completely divides 395 are.
1, 5, 79, 395
GCD of numbers is the greatest common divisor
So, the GCD (689, 813, 395) = 1.
Given numbers are 689, 813, 395
The list of prime factors of all numbers are
Prime factors of 689 are 13 x 53
Prime factors of 813 are 3 x 271
Prime factors of 395 are 5 x 79
The above numbers do not have any common prime factor. So GCD is 1
Steps to Calculate GCD of 689, 813, 395 using LCM Formula
Given numbers are 689, 813, 395
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(689, 813) = 560157
GCD(689, 813) = ( 689 x 813 ) / 560157
= 689 / 813
= 689
Step2:
LCM(1, 395) = 395
GCD(1, 395) = ( 1 x 395 ) / 395
= 1 / 395
= 1
So, Greatest Common Divisor of 689, 813, 395 is 1
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 689, 813, 395
Given numbers are 689, 813, 395
The greatest common divisor of numbers 689, 813, 395 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 689, 813, 395 is 1.
FAQs on GCD of 689, 813, 395 Calculator
1. What is the GCD of 689, 813, 395?
GCD of given numbers 689, 813, 395 is 1
2. How to calculate the greatest common divisor of 689, 813, 395?
We can find the highest common divisor of 689, 813, 395 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 689, 813, 395 i.e 1.
3. How can I use the GCD of 689, 813, 395Calculator?
Out the numbers 689, 813, 395 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.