Online GCD Calculator is useful to find the GCD of 663, 442, 858 quickly. Get the easiest ways to solve the greatest common divisor of 663, 442, 858 i.e 13 in different methods as follows.
Given Input numbers are 663, 442, 858
In the factoring method, we have to find the divisors of all numbers
Divisors of 663 :
The positive integer divisors of 663 that completely divides 663 are.
1, 3, 13, 17, 39, 51, 221, 663
Divisors of 442 :
The positive integer divisors of 442 that completely divides 442 are.
1, 2, 13, 17, 26, 34, 221, 442
Divisors of 858 :
The positive integer divisors of 858 that completely divides 858 are.
1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858
GCD of numbers is the greatest common divisor
So, the GCD (663, 442, 858) = 13.
Given numbers are 663, 442, 858
The list of prime factors of all numbers are
Prime factors of 663 are 3 x 13 x 17
Prime factors of 442 are 2 x 13 x 17
Prime factors of 858 are 2 x 3 x 11 x 13
The highest common occurrence is 131
Therefore, GCD of 663, 442, 858 is 13.
Given numbers are 663, 442, 858
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(663, 442) = 1326
GCD(663, 442) = ( 663 x 442 ) / 1326
= 663 / 442
= 663
Step2:
LCM(221, 858) = 14586
GCD(221, 858) = ( 221 x 858 ) / 14586
= 221 / 858
= 221
So, Greatest Common Divisor of 663, 442, 858 is 13
Here are some samples of GCD of Numbers calculations.
Given numbers are 663, 442, 858
The greatest common divisor of numbers 663, 442, 858 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 663, 442, 858 is 13.
1. What is the GCD of 663, 442, 858?
GCD of given numbers 663, 442, 858 is 13
2. How to calculate the greatest common divisor of 663, 442, 858?
We can find the highest common divisor of 663, 442, 858 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 663, 442, 858 i.e 13.
3. How can I use the GCD of 663, 442, 858Calculator?
Out the numbers 663, 442, 858 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.