Online GCD Calculator is useful to find the GCD of 255, 213, 189 quickly. Get the easiest ways to solve the greatest common divisor of 255, 213, 189 i.e 3 in different methods as follows.
Given Input numbers are 255, 213, 189
In the factoring method, we have to find the divisors of all numbers
Divisors of 255 :
The positive integer divisors of 255 that completely divides 255 are.
1, 3, 5, 15, 17, 51, 85, 255
Divisors of 213 :
The positive integer divisors of 213 that completely divides 213 are.
1, 3, 71, 213
Divisors of 189 :
The positive integer divisors of 189 that completely divides 189 are.
1, 3, 7, 9, 21, 27, 63, 189
GCD of numbers is the greatest common divisor
So, the GCD (255, 213, 189) = 3.
Given numbers are 255, 213, 189
The list of prime factors of all numbers are
Prime factors of 255 are 3 x 5 x 17
Prime factors of 213 are 3 x 71
Prime factors of 189 are 3 x 3 x 3 x 7
The highest common occurrence is 31
Therefore, GCD of 255, 213, 189 is 3.
Given numbers are 255, 213, 189
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(255, 213) = 18105
GCD(255, 213) = ( 255 x 213 ) / 18105
= 255 / 213
= 255
Step2:
LCM(3, 189) = 189
GCD(3, 189) = ( 3 x 189 ) / 189
= 3 / 189
= 3
So, Greatest Common Divisor of 255, 213, 189 is 3
Here are some samples of GCD of Numbers calculations.
Given numbers are 255, 213, 189
The greatest common divisor of numbers 255, 213, 189 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 255, 213, 189 is 3.
1. What is the GCD of 255, 213, 189?
GCD of given numbers 255, 213, 189 is 3
2. How to calculate the greatest common divisor of 255, 213, 189?
We can find the highest common divisor of 255, 213, 189 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 255, 213, 189 i.e 3.
3. How can I use the GCD of 255, 213, 189Calculator?
Out the numbers 255, 213, 189 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.