Online GCD Calculator is useful to find the GCD of 389, 140, 865 quickly. Get the easiest ways to solve the greatest common divisor of 389, 140, 865 i.e 1 in different methods as follows.
Given Input numbers are 389, 140, 865
In the factoring method, we have to find the divisors of all numbers
Divisors of 389 :
The positive integer divisors of 389 that completely divides 389 are.
1, 389
Divisors of 140 :
The positive integer divisors of 140 that completely divides 140 are.
1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140
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 (389, 140, 865) = 1.
Given numbers are 389, 140, 865
The list of prime factors of all numbers are
Prime factors of 389 are 389
Prime factors of 140 are 2 x 2 x 5 x 7
Prime factors of 865 are 5 x 173
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 389, 140, 865
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(389, 140) = 54460
GCD(389, 140) = ( 389 x 140 ) / 54460
= 389 / 140
= 389
Step2:
LCM(1, 865) = 865
GCD(1, 865) = ( 1 x 865 ) / 865
= 1 / 865
= 1
So, Greatest Common Divisor of 389, 140, 865 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 389, 140, 865
The greatest common divisor of numbers 389, 140, 865 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 389, 140, 865 is 1.
1. What is the GCD of 389, 140, 865?
GCD of given numbers 389, 140, 865 is 1
2. How to calculate the greatest common divisor of 389, 140, 865?
We can find the highest common divisor of 389, 140, 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 389, 140, 865 i.e 1.
3. How can I use the GCD of 389, 140, 865Calculator?
Out the numbers 389, 140, 865 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.