Online GCD Calculator is useful to find the GCD of 156, 638, 225 quickly. Get the easiest ways to solve the greatest common divisor of 156, 638, 225 i.e 1 in different methods as follows.
Given Input numbers are 156, 638, 225
In the factoring method, we have to find the divisors of all numbers
Divisors of 156 :
The positive integer divisors of 156 that completely divides 156 are.
1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156
Divisors of 638 :
The positive integer divisors of 638 that completely divides 638 are.
1, 2, 11, 22, 29, 58, 319, 638
Divisors of 225 :
The positive integer divisors of 225 that completely divides 225 are.
1, 3, 5, 9, 15, 25, 45, 75, 225
GCD of numbers is the greatest common divisor
So, the GCD (156, 638, 225) = 1.
Given numbers are 156, 638, 225
The list of prime factors of all numbers are
Prime factors of 156 are 2 x 2 x 3 x 13
Prime factors of 638 are 2 x 11 x 29
Prime factors of 225 are 3 x 3 x 5 x 5
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 156, 638, 225
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(156, 638) = 49764
GCD(156, 638) = ( 156 x 638 ) / 49764
= 156 / 638
= 156
Step2:
LCM(2, 225) = 450
GCD(2, 225) = ( 2 x 225 ) / 450
= 2 / 225
= 2
So, Greatest Common Divisor of 156, 638, 225 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 156, 638, 225
The greatest common divisor of numbers 156, 638, 225 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 156, 638, 225 is 1.
1. What is the GCD of 156, 638, 225?
GCD of given numbers 156, 638, 225 is 1
2. How to calculate the greatest common divisor of 156, 638, 225?
We can find the highest common divisor of 156, 638, 225 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 156, 638, 225 i.e 1.
3. How can I use the GCD of 156, 638, 225Calculator?
Out the numbers 156, 638, 225 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.