Online GCD Calculator is useful to find the GCD of 489, 470, 56 quickly. Get the easiest ways to solve the greatest common divisor of 489, 470, 56 i.e 1 in different methods as follows.
Given Input numbers are 489, 470, 56
In the factoring method, we have to find the divisors of all numbers
Divisors of 489 :
The positive integer divisors of 489 that completely divides 489 are.
1, 3, 163, 489
Divisors of 470 :
The positive integer divisors of 470 that completely divides 470 are.
1, 2, 5, 10, 47, 94, 235, 470
Divisors of 56 :
The positive integer divisors of 56 that completely divides 56 are.
1, 2, 4, 7, 8, 14, 28, 56
GCD of numbers is the greatest common divisor
So, the GCD (489, 470, 56) = 1.
Given numbers are 489, 470, 56
The list of prime factors of all numbers are
Prime factors of 489 are 3 x 163
Prime factors of 470 are 2 x 5 x 47
Prime factors of 56 are 2 x 2 x 2 x 7
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 489, 470, 56
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(489, 470) = 229830
GCD(489, 470) = ( 489 x 470 ) / 229830
= 489 / 470
= 489
Step2:
LCM(1, 56) = 56
GCD(1, 56) = ( 1 x 56 ) / 56
= 1 / 56
= 1
So, Greatest Common Divisor of 489, 470, 56 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 489, 470, 56
The greatest common divisor of numbers 489, 470, 56 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 489, 470, 56 is 1.
1. What is the GCD of 489, 470, 56?
GCD of given numbers 489, 470, 56 is 1
2. How to calculate the greatest common divisor of 489, 470, 56?
We can find the highest common divisor of 489, 470, 56 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 489, 470, 56 i.e 1.
3. How can I use the GCD of 489, 470, 56Calculator?
Out the numbers 489, 470, 56 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.