Online GCD Calculator is useful to find the GCD of 395, 180, 120 quickly. Get the easiest ways to solve the greatest common divisor of 395, 180, 120 i.e 5 in different methods as follows.
Given Input numbers are 395, 180, 120
In the factoring method, we have to find the divisors of all numbers
Divisors of 395 :
The positive integer divisors of 395 that completely divides 395 are.
1, 5, 79, 395
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 120 :
The positive integer divisors of 120 that completely divides 120 are.
1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120
GCD of numbers is the greatest common divisor
So, the GCD (395, 180, 120) = 5.
Given numbers are 395, 180, 120
The list of prime factors of all numbers are
Prime factors of 395 are 5 x 79
Prime factors of 180 are 2 x 2 x 3 x 3 x 5
Prime factors of 120 are 2 x 2 x 2 x 3 x 5
The highest common occurrence is 51
Therefore, GCD of 395, 180, 120 is 5.
Given numbers are 395, 180, 120
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(395, 180) = 14220
GCD(395, 180) = ( 395 x 180 ) / 14220
= 395 / 180
= 395
Step2:
LCM(5, 120) = 120
GCD(5, 120) = ( 5 x 120 ) / 120
= 5 / 120
= 5
So, Greatest Common Divisor of 395, 180, 120 is 5
Here are some samples of GCD of Numbers calculations.
Given numbers are 395, 180, 120
The greatest common divisor of numbers 395, 180, 120 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 395, 180, 120 is 5.
1. What is the GCD of 395, 180, 120?
GCD of given numbers 395, 180, 120 is 5
2. How to calculate the greatest common divisor of 395, 180, 120?
We can find the highest common divisor of 395, 180, 120 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 395, 180, 120 i.e 5.
3. How can I use the GCD of 395, 180, 120Calculator?
Out the numbers 395, 180, 120 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.