Online GCD Calculator is useful to find the GCD of 389, 196, 128 quickly. Get the easiest ways to solve the greatest common divisor of 389, 196, 128 i.e 1 in different methods as follows.
Given Input numbers are 389, 196, 128
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 196 :
The positive integer divisors of 196 that completely divides 196 are.
1, 2, 4, 7, 14, 28, 49, 98, 196
Divisors of 128 :
The positive integer divisors of 128 that completely divides 128 are.
1, 2, 4, 8, 16, 32, 64, 128
GCD of numbers is the greatest common divisor
So, the GCD (389, 196, 128) = 1.
Given numbers are 389, 196, 128
The list of prime factors of all numbers are
Prime factors of 389 are 389
Prime factors of 196 are 2 x 2 x 7 x 7
Prime factors of 128 are 2 x 2 x 2 x 2 x 2 x 2 x 2
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 389, 196, 128
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(389, 196) = 76244
GCD(389, 196) = ( 389 x 196 ) / 76244
= 389 / 196
= 389
Step2:
LCM(1, 128) = 128
GCD(1, 128) = ( 1 x 128 ) / 128
= 1 / 128
= 1
So, Greatest Common Divisor of 389, 196, 128 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 389, 196, 128
The greatest common divisor of numbers 389, 196, 128 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 389, 196, 128 is 1.
1. What is the GCD of 389, 196, 128?
GCD of given numbers 389, 196, 128 is 1
2. How to calculate the greatest common divisor of 389, 196, 128?
We can find the highest common divisor of 389, 196, 128 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, 196, 128 i.e 1.
3. How can I use the GCD of 389, 196, 128Calculator?
Out the numbers 389, 196, 128 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.