Online GCD Calculator is useful to find the GCD of 423, 393, 856 quickly. Get the easiest ways to solve the greatest common divisor of 423, 393, 856 i.e 1 in different methods as follows.
Given Input numbers are 423, 393, 856
In the factoring method, we have to find the divisors of all numbers
Divisors of 423 :
The positive integer divisors of 423 that completely divides 423 are.
1, 3, 9, 47, 141, 423
Divisors of 393 :
The positive integer divisors of 393 that completely divides 393 are.
1, 3, 131, 393
Divisors of 856 :
The positive integer divisors of 856 that completely divides 856 are.
1, 2, 4, 8, 107, 214, 428, 856
GCD of numbers is the greatest common divisor
So, the GCD (423, 393, 856) = 1.
Given numbers are 423, 393, 856
The list of prime factors of all numbers are
Prime factors of 423 are 3 x 3 x 47
Prime factors of 393 are 3 x 131
Prime factors of 856 are 2 x 2 x 2 x 107
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 423, 393, 856
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(423, 393) = 55413
GCD(423, 393) = ( 423 x 393 ) / 55413
= 423 / 393
= 423
Step2:
LCM(3, 856) = 2568
GCD(3, 856) = ( 3 x 856 ) / 2568
= 3 / 856
= 3
So, Greatest Common Divisor of 423, 393, 856 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 423, 393, 856
The greatest common divisor of numbers 423, 393, 856 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 423, 393, 856 is 1.
1. What is the GCD of 423, 393, 856?
GCD of given numbers 423, 393, 856 is 1
2. How to calculate the greatest common divisor of 423, 393, 856?
We can find the highest common divisor of 423, 393, 856 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 423, 393, 856 i.e 1.
3. How can I use the GCD of 423, 393, 856Calculator?
Out the numbers 423, 393, 856 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.