Online GCD Calculator is useful to find the GCD of 685, 638, 422 quickly. Get the easiest ways to solve the greatest common divisor of 685, 638, 422 i.e 1 in different methods as follows.
Given Input numbers are 685, 638, 422
In the factoring method, we have to find the divisors of all numbers
Divisors of 685 :
The positive integer divisors of 685 that completely divides 685 are.
1, 5, 137, 685
Divisors of 638 :
The positive integer divisors of 638 that completely divides 638 are.
1, 2, 11, 22, 29, 58, 319, 638
Divisors of 422 :
The positive integer divisors of 422 that completely divides 422 are.
1, 2, 211, 422
GCD of numbers is the greatest common divisor
So, the GCD (685, 638, 422) = 1.
Given numbers are 685, 638, 422
The list of prime factors of all numbers are
Prime factors of 685 are 5 x 137
Prime factors of 638 are 2 x 11 x 29
Prime factors of 422 are 2 x 211
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 685, 638, 422
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(685, 638) = 437030
GCD(685, 638) = ( 685 x 638 ) / 437030
= 685 / 638
= 685
Step2:
LCM(1, 422) = 422
GCD(1, 422) = ( 1 x 422 ) / 422
= 1 / 422
= 1
So, Greatest Common Divisor of 685, 638, 422 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 685, 638, 422
The greatest common divisor of numbers 685, 638, 422 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 685, 638, 422 is 1.
1. What is the GCD of 685, 638, 422?
GCD of given numbers 685, 638, 422 is 1
2. How to calculate the greatest common divisor of 685, 638, 422?
We can find the highest common divisor of 685, 638, 422 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 685, 638, 422 i.e 1.
3. How can I use the GCD of 685, 638, 422Calculator?
Out the numbers 685, 638, 422 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.