Online GCD Calculator is useful to find the GCD of 978, 867, 129 quickly. Get the easiest ways to solve the greatest common divisor of 978, 867, 129 i.e 3 in different methods as follows.
Given Input numbers are 978, 867, 129
In the factoring method, we have to find the divisors of all numbers
Divisors of 978 :
The positive integer divisors of 978 that completely divides 978 are.
1, 2, 3, 6, 163, 326, 489, 978
Divisors of 867 :
The positive integer divisors of 867 that completely divides 867 are.
1, 3, 17, 51, 289, 867
Divisors of 129 :
The positive integer divisors of 129 that completely divides 129 are.
1, 3, 43, 129
GCD of numbers is the greatest common divisor
So, the GCD (978, 867, 129) = 3.
Given numbers are 978, 867, 129
The list of prime factors of all numbers are
Prime factors of 978 are 2 x 3 x 163
Prime factors of 867 are 3 x 17 x 17
Prime factors of 129 are 3 x 43
The highest common occurrence is 31
Therefore, GCD of 978, 867, 129 is 3.
Given numbers are 978, 867, 129
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(978, 867) = 282642
GCD(978, 867) = ( 978 x 867 ) / 282642
= 978 / 867
= 978
Step2:
LCM(3, 129) = 129
GCD(3, 129) = ( 3 x 129 ) / 129
= 3 / 129
= 3
So, Greatest Common Divisor of 978, 867, 129 is 3
Here are some samples of GCD of Numbers calculations.
Given numbers are 978, 867, 129
The greatest common divisor of numbers 978, 867, 129 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 978, 867, 129 is 3.
1. What is the GCD of 978, 867, 129?
GCD of given numbers 978, 867, 129 is 3
2. How to calculate the greatest common divisor of 978, 867, 129?
We can find the highest common divisor of 978, 867, 129 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 978, 867, 129 i.e 3.
3. How can I use the GCD of 978, 867, 129Calculator?
Out the numbers 978, 867, 129 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.