Online GCD Calculator is useful to find the GCD of 634, 138, 243 quickly. Get the easiest ways to solve the greatest common divisor of 634, 138, 243 i.e 1 in different methods as follows.
Given Input numbers are 634, 138, 243
In the factoring method, we have to find the divisors of all numbers
Divisors of 634 :
The positive integer divisors of 634 that completely divides 634 are.
1, 2, 317, 634
Divisors of 138 :
The positive integer divisors of 138 that completely divides 138 are.
1, 2, 3, 6, 23, 46, 69, 138
Divisors of 243 :
The positive integer divisors of 243 that completely divides 243 are.
1, 3, 9, 27, 81, 243
GCD of numbers is the greatest common divisor
So, the GCD (634, 138, 243) = 1.
Given numbers are 634, 138, 243
The list of prime factors of all numbers are
Prime factors of 634 are 2 x 317
Prime factors of 138 are 2 x 3 x 23
Prime factors of 243 are 3 x 3 x 3 x 3 x 3
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 634, 138, 243
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(634, 138) = 43746
GCD(634, 138) = ( 634 x 138 ) / 43746
= 634 / 138
= 634
Step2:
LCM(2, 243) = 486
GCD(2, 243) = ( 2 x 243 ) / 486
= 2 / 243
= 2
So, Greatest Common Divisor of 634, 138, 243 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 634, 138, 243
The greatest common divisor of numbers 634, 138, 243 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 634, 138, 243 is 1.
1. What is the GCD of 634, 138, 243?
GCD of given numbers 634, 138, 243 is 1
2. How to calculate the greatest common divisor of 634, 138, 243?
We can find the highest common divisor of 634, 138, 243 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 634, 138, 243 i.e 1.
3. How can I use the GCD of 634, 138, 243Calculator?
Out the numbers 634, 138, 243 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.