Online GCD Calculator is useful to find the GCD of 858, 325, 221 quickly. Get the easiest ways to solve the greatest common divisor of 858, 325, 221 i.e 13 in different methods as follows.
Given Input numbers are 858, 325, 221
In the factoring method, we have to find the divisors of all numbers
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
Divisors of 325 :
The positive integer divisors of 325 that completely divides 325 are.
1, 5, 13, 25, 65, 325
Divisors of 221 :
The positive integer divisors of 221 that completely divides 221 are.
1, 13, 17, 221
GCD of numbers is the greatest common divisor
So, the GCD (858, 325, 221) = 13.
Given numbers are 858, 325, 221
The list of prime factors of all numbers are
Prime factors of 858 are 2 x 3 x 11 x 13
Prime factors of 325 are 5 x 5 x 13
Prime factors of 221 are 13 x 17
The highest common occurrence is 131
Therefore, GCD of 858, 325, 221 is 13.
Given numbers are 858, 325, 221
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(858, 325) = 21450
GCD(858, 325) = ( 858 x 325 ) / 21450
= 858 / 325
= 858
Step2:
LCM(13, 221) = 221
GCD(13, 221) = ( 13 x 221 ) / 221
= 13 / 221
= 13
So, Greatest Common Divisor of 858, 325, 221 is 13
Here are some samples of GCD of Numbers calculations.
Given numbers are 858, 325, 221
The greatest common divisor of numbers 858, 325, 221 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 858, 325, 221 is 13.
1. What is the GCD of 858, 325, 221?
GCD of given numbers 858, 325, 221 is 13
2. How to calculate the greatest common divisor of 858, 325, 221?
We can find the highest common divisor of 858, 325, 221 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 858, 325, 221 i.e 13.
3. How can I use the GCD of 858, 325, 221Calculator?
Out the numbers 858, 325, 221 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.