Online GCD Calculator is useful to find the GCD of 285, 477, 489 quickly. Get the easiest ways to solve the greatest common divisor of 285, 477, 489 i.e 3 in different methods as follows.
Given Input numbers are 285, 477, 489
In the factoring method, we have to find the divisors of all numbers
Divisors of 285 :
The positive integer divisors of 285 that completely divides 285 are.
1, 3, 5, 15, 19, 57, 95, 285
Divisors of 477 :
The positive integer divisors of 477 that completely divides 477 are.
1, 3, 9, 53, 159, 477
Divisors of 489 :
The positive integer divisors of 489 that completely divides 489 are.
1, 3, 163, 489
GCD of numbers is the greatest common divisor
So, the GCD (285, 477, 489) = 3.
Given numbers are 285, 477, 489
The list of prime factors of all numbers are
Prime factors of 285 are 3 x 5 x 19
Prime factors of 477 are 3 x 3 x 53
Prime factors of 489 are 3 x 163
The highest common occurrence is 31
Therefore, GCD of 285, 477, 489 is 3.
Given numbers are 285, 477, 489
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(285, 477) = 45315
GCD(285, 477) = ( 285 x 477 ) / 45315
= 285 / 477
= 285
Step2:
LCM(3, 489) = 489
GCD(3, 489) = ( 3 x 489 ) / 489
= 3 / 489
= 3
So, Greatest Common Divisor of 285, 477, 489 is 3
Here are some samples of GCD of Numbers calculations.
Given numbers are 285, 477, 489
The greatest common divisor of numbers 285, 477, 489 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 285, 477, 489 is 3.
1. What is the GCD of 285, 477, 489?
GCD of given numbers 285, 477, 489 is 3
2. How to calculate the greatest common divisor of 285, 477, 489?
We can find the highest common divisor of 285, 477, 489 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 285, 477, 489 i.e 3.
3. How can I use the GCD of 285, 477, 489Calculator?
Out the numbers 285, 477, 489 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.