Online GCD Calculator is useful to find the GCD of 891, 225, 810 quickly. Get the easiest ways to solve the greatest common divisor of 891, 225, 810 i.e 9 in different methods as follows.
Given Input numbers are 891, 225, 810
In the factoring method, we have to find the divisors of all numbers
Divisors of 891 :
The positive integer divisors of 891 that completely divides 891 are.
1, 3, 9, 11, 27, 33, 81, 99, 297, 891
Divisors of 225 :
The positive integer divisors of 225 that completely divides 225 are.
1, 3, 5, 9, 15, 25, 45, 75, 225
Divisors of 810 :
The positive integer divisors of 810 that completely divides 810 are.
1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810
GCD of numbers is the greatest common divisor
So, the GCD (891, 225, 810) = 9.
Given numbers are 891, 225, 810
The list of prime factors of all numbers are
Prime factors of 891 are 3 x 3 x 3 x 3 x 11
Prime factors of 225 are 3 x 3 x 5 x 5
Prime factors of 810 are 2 x 3 x 3 x 3 x 3 x 5
The highest common occurrence is 32
Therefore, GCD of 891, 225, 810 is 9.
Given numbers are 891, 225, 810
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(891, 225) = 22275
GCD(891, 225) = ( 891 x 225 ) / 22275
= 891 / 225
= 891
Step2:
LCM(9, 810) = 810
GCD(9, 810) = ( 9 x 810 ) / 810
= 9 / 810
= 9
So, Greatest Common Divisor of 891, 225, 810 is 9
Here are some samples of GCD of Numbers calculations.
Given numbers are 891, 225, 810
The greatest common divisor of numbers 891, 225, 810 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 891, 225, 810 is 9.
1. What is the GCD of 891, 225, 810?
GCD of given numbers 891, 225, 810 is 9
2. How to calculate the greatest common divisor of 891, 225, 810?
We can find the highest common divisor of 891, 225, 810 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 891, 225, 810 i.e 9.
3. How can I use the GCD of 891, 225, 810Calculator?
Out the numbers 891, 225, 810 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.