GCD of 638, 809, 394, 126 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 638, 809, 394, 126 quickly. Get the easiest ways to solve the greatest common divisor of 638, 809, 394, 126 i.e 1 in different methods as follows.
Given Input numbers are 638, 809, 394, 126
In the factoring method, we have to find the divisors of all numbers
Divisors of 638 :
The positive integer divisors of 638 that completely divides 638 are.
1, 2, 11, 22, 29, 58, 319, 638
Divisors of 809 :
The positive integer divisors of 809 that completely divides 809 are.
1, 809
Divisors of 394 :
The positive integer divisors of 394 that completely divides 394 are.
1, 2, 197, 394
Divisors of 126 :
The positive integer divisors of 126 that completely divides 126 are.
1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126
GCD of numbers is the greatest common divisor
So, the GCD (638, 809, 394, 126) = 1.
Given numbers are 638, 809, 394, 126
The list of prime factors of all numbers are
Prime factors of 638 are 2 x 11 x 29
Prime factors of 809 are 809
Prime factors of 394 are 2 x 197
Prime factors of 126 are 2 x 3 x 3 x 7
The above numbers do not have any common prime factor. So GCD is 1
Steps to Calculate GCD of 638, 809, 394, 126 using LCM Formula
Given numbers are 638, 809, 394, 126
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(638, 809) = 516142
GCD(638, 809) = ( 638 x 809 ) / 516142
= 638 / 809
= 638
Step2:
LCM(1, 394) = 394
GCD(1, 394) = ( 1 x 394 ) / 394
= 1 / 394
= 1
Step3:
LCM(1, 126) = 126
GCD(1, 126) = ( 1 x 126 ) / 126
= 1 / 126
= 1
So, Greatest Common Divisor of 638, 809, 394, 126 is 1
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 638, 809, 394, 126
Given numbers are 638, 809, 394, 126
The greatest common divisor of numbers 638, 809, 394, 126 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 638, 809, 394, 126 is 1.
FAQs on GCD of 638, 809, 394, 126 Calculator
1. What is the GCD of 638, 809, 394, 126?
GCD of given numbers 638, 809, 394, 126 is 1
2. How to calculate the greatest common divisor of 638, 809, 394, 126?
We can find the highest common divisor of 638, 809, 394, 126 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 638, 809, 394, 126 i.e 1.
3. How can I use the GCD of 638, 809, 394, 126Calculator?
Out the numbers 638, 809, 394, 126 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.