GCD of 688, 826, 390 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 688, 826, 390 quickly. Get the easiest ways to solve the greatest common divisor of 688, 826, 390 i.e 2 in different methods as follows.
Given Input numbers are 688, 826, 390
In the factoring method, we have to find the divisors of all numbers
Divisors of 688 :
The positive integer divisors of 688 that completely divides 688 are.
1, 2, 4, 8, 16, 43, 86, 172, 344, 688
Divisors of 826 :
The positive integer divisors of 826 that completely divides 826 are.
1, 2, 7, 14, 59, 118, 413, 826
Divisors of 390 :
The positive integer divisors of 390 that completely divides 390 are.
1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390
GCD of numbers is the greatest common divisor
So, the GCD (688, 826, 390) = 2.
Given numbers are 688, 826, 390
The list of prime factors of all numbers are
Prime factors of 688 are 2 x 2 x 2 x 2 x 43
Prime factors of 826 are 2 x 7 x 59
Prime factors of 390 are 2 x 3 x 5 x 13
The highest common occurrence is 21
Therefore, GCD of 688, 826, 390 is 2.
Steps to Calculate GCD of 688, 826, 390 using LCM Formula
Given numbers are 688, 826, 390
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(688, 826) = 284144
GCD(688, 826) = ( 688 x 826 ) / 284144
= 688 / 826
= 688
Step2:
LCM(2, 390) = 390
GCD(2, 390) = ( 2 x 390 ) / 390
= 2 / 390
= 2
So, Greatest Common Divisor of 688, 826, 390 is 2
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 688, 826, 390
Given numbers are 688, 826, 390
The greatest common divisor of numbers 688, 826, 390 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 688, 826, 390 is 2.
FAQs on GCD of 688, 826, 390 Calculator
1. What is the GCD of 688, 826, 390?
GCD of given numbers 688, 826, 390 is 2
2. How to calculate the greatest common divisor of 688, 826, 390?
We can find the highest common divisor of 688, 826, 390 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 688, 826, 390 i.e 2.
3. How can I use the GCD of 688, 826, 390Calculator?
Out the numbers 688, 826, 390 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.