Online GCD Calculator is useful to find the GCD of 170, 890, 865 quickly. Get the easiest ways to solve the greatest common divisor of 170, 890, 865 i.e 5 in different methods as follows.
Given Input numbers are 170, 890, 865
In the factoring method, we have to find the divisors of all numbers
Divisors of 170 :
The positive integer divisors of 170 that completely divides 170 are.
1, 2, 5, 10, 17, 34, 85, 170
Divisors of 890 :
The positive integer divisors of 890 that completely divides 890 are.
1, 2, 5, 10, 89, 178, 445, 890
Divisors of 865 :
The positive integer divisors of 865 that completely divides 865 are.
1, 5, 173, 865
GCD of numbers is the greatest common divisor
So, the GCD (170, 890, 865) = 5.
Given numbers are 170, 890, 865
The list of prime factors of all numbers are
Prime factors of 170 are 2 x 5 x 17
Prime factors of 890 are 2 x 5 x 89
Prime factors of 865 are 5 x 173
The highest common occurrence is 51
Therefore, GCD of 170, 890, 865 is 5.
Given numbers are 170, 890, 865
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(170, 890) = 15130
GCD(170, 890) = ( 170 x 890 ) / 15130
= 170 / 890
= 170
Step2:
LCM(10, 865) = 1730
GCD(10, 865) = ( 10 x 865 ) / 1730
= 10 / 865
= 10
So, Greatest Common Divisor of 170, 890, 865 is 5
Here are some samples of GCD of Numbers calculations.
Given numbers are 170, 890, 865
The greatest common divisor of numbers 170, 890, 865 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 170, 890, 865 is 5.
1. What is the GCD of 170, 890, 865?
GCD of given numbers 170, 890, 865 is 5
2. How to calculate the greatest common divisor of 170, 890, 865?
We can find the highest common divisor of 170, 890, 865 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 170, 890, 865 i.e 5.
3. How can I use the GCD of 170, 890, 865Calculator?
Out the numbers 170, 890, 865 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.