Online GCD Calculator is useful to find the GCD of 387, 129, 117 quickly. Get the easiest ways to solve the greatest common divisor of 387, 129, 117 i.e 3 in different methods as follows.
Given Input numbers are 387, 129, 117
In the factoring method, we have to find the divisors of all numbers
Divisors of 387 :
The positive integer divisors of 387 that completely divides 387 are.
1, 3, 9, 43, 129, 387
Divisors of 129 :
The positive integer divisors of 129 that completely divides 129 are.
1, 3, 43, 129
Divisors of 117 :
The positive integer divisors of 117 that completely divides 117 are.
1, 3, 9, 13, 39, 117
GCD of numbers is the greatest common divisor
So, the GCD (387, 129, 117) = 3.
Given numbers are 387, 129, 117
The list of prime factors of all numbers are
Prime factors of 387 are 3 x 3 x 43
Prime factors of 129 are 3 x 43
Prime factors of 117 are 3 x 3 x 13
The highest common occurrence is 31
Therefore, GCD of 387, 129, 117 is 3.
Given numbers are 387, 129, 117
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(387, 129) = 387
GCD(387, 129) = ( 387 x 129 ) / 387
= 387 / 129
= 387
Step2:
LCM(129, 117) = 5031
GCD(129, 117) = ( 129 x 117 ) / 5031
= 129 / 117
= 129
So, Greatest Common Divisor of 387, 129, 117 is 3
Here are some samples of GCD of Numbers calculations.
Given numbers are 387, 129, 117
The greatest common divisor of numbers 387, 129, 117 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 387, 129, 117 is 3.
1. What is the GCD of 387, 129, 117?
GCD of given numbers 387, 129, 117 is 3
2. How to calculate the greatest common divisor of 387, 129, 117?
We can find the highest common divisor of 387, 129, 117 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 387, 129, 117 i.e 3.
3. How can I use the GCD of 387, 129, 117Calculator?
Out the numbers 387, 129, 117 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.