Online GCD Calculator is useful to find the GCD of 789, 321, 156 quickly. Get the easiest ways to solve the greatest common divisor of 789, 321, 156 i.e 3 in different methods as follows.
Given Input numbers are 789, 321, 156
In the factoring method, we have to find the divisors of all numbers
Divisors of 789 :
The positive integer divisors of 789 that completely divides 789 are.
1, 3, 263, 789
Divisors of 321 :
The positive integer divisors of 321 that completely divides 321 are.
1, 3, 107, 321
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
GCD of numbers is the greatest common divisor
So, the GCD (789, 321, 156) = 3.
Given numbers are 789, 321, 156
The list of prime factors of all numbers are
Prime factors of 789 are 3 x 263
Prime factors of 321 are 3 x 107
Prime factors of 156 are 2 x 2 x 3 x 13
The highest common occurrence is 31
Therefore, GCD of 789, 321, 156 is 3.
Given numbers are 789, 321, 156
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(789, 321) = 84423
GCD(789, 321) = ( 789 x 321 ) / 84423
= 789 / 321
= 789
Step2:
LCM(3, 156) = 156
GCD(3, 156) = ( 3 x 156 ) / 156
= 3 / 156
= 3
So, Greatest Common Divisor of 789, 321, 156 is 3
Here are some samples of GCD of Numbers calculations.
Given numbers are 789, 321, 156
The greatest common divisor of numbers 789, 321, 156 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 789, 321, 156 is 3.
1. What is the GCD of 789, 321, 156?
GCD of given numbers 789, 321, 156 is 3
2. How to calculate the greatest common divisor of 789, 321, 156?
We can find the highest common divisor of 789, 321, 156 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 789, 321, 156 i.e 3.
3. How can I use the GCD of 789, 321, 156Calculator?
Out the numbers 789, 321, 156 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.