Online GCD Calculator is useful to find the GCD of 978, 447, 225 quickly. Get the easiest ways to solve the greatest common divisor of 978, 447, 225 i.e 3 in different methods as follows.
Given Input numbers are 978, 447, 225
In the factoring method, we have to find the divisors of all numbers
Divisors of 978 :
The positive integer divisors of 978 that completely divides 978 are.
1, 2, 3, 6, 163, 326, 489, 978
Divisors of 447 :
The positive integer divisors of 447 that completely divides 447 are.
1, 3, 149, 447
Divisors of 225 :
The positive integer divisors of 225 that completely divides 225 are.
1, 3, 5, 9, 15, 25, 45, 75, 225
GCD of numbers is the greatest common divisor
So, the GCD (978, 447, 225) = 3.
Given numbers are 978, 447, 225
The list of prime factors of all numbers are
Prime factors of 978 are 2 x 3 x 163
Prime factors of 447 are 3 x 149
Prime factors of 225 are 3 x 3 x 5 x 5
The highest common occurrence is 31
Therefore, GCD of 978, 447, 225 is 3.
Given numbers are 978, 447, 225
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(978, 447) = 145722
GCD(978, 447) = ( 978 x 447 ) / 145722
= 978 / 447
= 978
Step2:
LCM(3, 225) = 225
GCD(3, 225) = ( 3 x 225 ) / 225
= 3 / 225
= 3
So, Greatest Common Divisor of 978, 447, 225 is 3
Here are some samples of GCD of Numbers calculations.
Given numbers are 978, 447, 225
The greatest common divisor of numbers 978, 447, 225 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 978, 447, 225 is 3.
1. What is the GCD of 978, 447, 225?
GCD of given numbers 978, 447, 225 is 3
2. How to calculate the greatest common divisor of 978, 447, 225?
We can find the highest common divisor of 978, 447, 225 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 978, 447, 225 i.e 3.
3. How can I use the GCD of 978, 447, 225Calculator?
Out the numbers 978, 447, 225 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.