Online GCD Calculator is useful to find the GCD of 987, 180, 393 quickly. Get the easiest ways to solve the greatest common divisor of 987, 180, 393 i.e 3 in different methods as follows.
Given Input numbers are 987, 180, 393
In the factoring method, we have to find the divisors of all numbers
Divisors of 987 :
The positive integer divisors of 987 that completely divides 987 are.
1, 3, 7, 21, 47, 141, 329, 987
Divisors of 180 :
The positive integer divisors of 180 that completely divides 180 are.
1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180
Divisors of 393 :
The positive integer divisors of 393 that completely divides 393 are.
1, 3, 131, 393
GCD of numbers is the greatest common divisor
So, the GCD (987, 180, 393) = 3.
Given numbers are 987, 180, 393
The list of prime factors of all numbers are
Prime factors of 987 are 3 x 7 x 47
Prime factors of 180 are 2 x 2 x 3 x 3 x 5
Prime factors of 393 are 3 x 131
The highest common occurrence is 31
Therefore, GCD of 987, 180, 393 is 3.
Given numbers are 987, 180, 393
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(987, 180) = 59220
GCD(987, 180) = ( 987 x 180 ) / 59220
= 987 / 180
= 987
Step2:
LCM(3, 393) = 393
GCD(3, 393) = ( 3 x 393 ) / 393
= 3 / 393
= 3
So, Greatest Common Divisor of 987, 180, 393 is 3
Here are some samples of GCD of Numbers calculations.
Given numbers are 987, 180, 393
The greatest common divisor of numbers 987, 180, 393 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 987, 180, 393 is 3.
1. What is the GCD of 987, 180, 393?
GCD of given numbers 987, 180, 393 is 3
2. How to calculate the greatest common divisor of 987, 180, 393?
We can find the highest common divisor of 987, 180, 393 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 987, 180, 393 i.e 3.
3. How can I use the GCD of 987, 180, 393Calculator?
Out the numbers 987, 180, 393 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.