Online GCD Calculator is useful to find the GCD of 975, 855, 243 quickly. Get the easiest ways to solve the greatest common divisor of 975, 855, 243 i.e 3 in different methods as follows.
Given Input numbers are 975, 855, 243
In the factoring method, we have to find the divisors of all numbers
Divisors of 975 :
The positive integer divisors of 975 that completely divides 975 are.
1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975
Divisors of 855 :
The positive integer divisors of 855 that completely divides 855 are.
1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855
Divisors of 243 :
The positive integer divisors of 243 that completely divides 243 are.
1, 3, 9, 27, 81, 243
GCD of numbers is the greatest common divisor
So, the GCD (975, 855, 243) = 3.
Given numbers are 975, 855, 243
The list of prime factors of all numbers are
Prime factors of 975 are 3 x 5 x 5 x 13
Prime factors of 855 are 3 x 3 x 5 x 19
Prime factors of 243 are 3 x 3 x 3 x 3 x 3
The highest common occurrence is 31
Therefore, GCD of 975, 855, 243 is 3.
Given numbers are 975, 855, 243
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(975, 855) = 55575
GCD(975, 855) = ( 975 x 855 ) / 55575
= 975 / 855
= 975
Step2:
LCM(15, 243) = 1215
GCD(15, 243) = ( 15 x 243 ) / 1215
= 15 / 243
= 15
So, Greatest Common Divisor of 975, 855, 243 is 3
Here are some samples of GCD of Numbers calculations.
Given numbers are 975, 855, 243
The greatest common divisor of numbers 975, 855, 243 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 975, 855, 243 is 3.
1. What is the GCD of 975, 855, 243?
GCD of given numbers 975, 855, 243 is 3
2. How to calculate the greatest common divisor of 975, 855, 243?
We can find the highest common divisor of 975, 855, 243 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 975, 855, 243 i.e 3.
3. How can I use the GCD of 975, 855, 243Calculator?
Out the numbers 975, 855, 243 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.