Online GCD Calculator is useful to find the GCD of 558, 816, 642 quickly. Get the easiest ways to solve the greatest common divisor of 558, 816, 642 i.e 6 in different methods as follows.
Given Input numbers are 558, 816, 642
In the factoring method, we have to find the divisors of all numbers
Divisors of 558 :
The positive integer divisors of 558 that completely divides 558 are.
1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558
Divisors of 816 :
The positive integer divisors of 816 that completely divides 816 are.
1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816
Divisors of 642 :
The positive integer divisors of 642 that completely divides 642 are.
1, 2, 3, 6, 107, 214, 321, 642
GCD of numbers is the greatest common divisor
So, the GCD (558, 816, 642) = 6.
Given numbers are 558, 816, 642
The list of prime factors of all numbers are
Prime factors of 558 are 2 x 3 x 3 x 31
Prime factors of 816 are 2 x 2 x 2 x 2 x 3 x 17
Prime factors of 642 are 2 x 3 x 107
The highest common occurrence is 21 x 31
Therefore, GCD of 558, 816, 642 is 6.
Given numbers are 558, 816, 642
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(558, 816) = 75888
GCD(558, 816) = ( 558 x 816 ) / 75888
= 558 / 816
= 558
Step2:
LCM(6, 642) = 642
GCD(6, 642) = ( 6 x 642 ) / 642
= 6 / 642
= 6
So, Greatest Common Divisor of 558, 816, 642 is 6
Here are some samples of GCD of Numbers calculations.
Given numbers are 558, 816, 642
The greatest common divisor of numbers 558, 816, 642 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 558, 816, 642 is 6.
1. What is the GCD of 558, 816, 642?
GCD of given numbers 558, 816, 642 is 6
2. How to calculate the greatest common divisor of 558, 816, 642?
We can find the highest common divisor of 558, 816, 642 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 558, 816, 642 i.e 6.
3. How can I use the GCD of 558, 816, 642Calculator?
Out the numbers 558, 816, 642 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.