Online GCD Calculator is useful to find the GCD of 396, 153, 389, 646 quickly. Get the easiest ways to solve the greatest common divisor of 396, 153, 389, 646 i.e 1 in different methods as follows.
Given Input numbers are 396, 153, 389, 646
In the factoring method, we have to find the divisors of all numbers
Divisors of 396 :
The positive integer divisors of 396 that completely divides 396 are.
1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396
Divisors of 153 :
The positive integer divisors of 153 that completely divides 153 are.
1, 3, 9, 17, 51, 153
Divisors of 389 :
The positive integer divisors of 389 that completely divides 389 are.
1, 389
Divisors of 646 :
The positive integer divisors of 646 that completely divides 646 are.
1, 2, 17, 19, 34, 38, 323, 646
GCD of numbers is the greatest common divisor
So, the GCD (396, 153, 389, 646) = 1.
Given numbers are 396, 153, 389, 646
The list of prime factors of all numbers are
Prime factors of 396 are 2 x 2 x 3 x 3 x 11
Prime factors of 153 are 3 x 3 x 17
Prime factors of 389 are 389
Prime factors of 646 are 2 x 17 x 19
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 396, 153, 389, 646
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(396, 153) = 6732
GCD(396, 153) = ( 396 x 153 ) / 6732
= 396 / 153
= 396
Step2:
LCM(9, 389) = 3501
GCD(9, 389) = ( 9 x 389 ) / 3501
= 9 / 389
= 9
Step3:
LCM(1, 646) = 646
GCD(1, 646) = ( 1 x 646 ) / 646
= 1 / 646
= 1
So, Greatest Common Divisor of 396, 153, 389, 646 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 396, 153, 389, 646
The greatest common divisor of numbers 396, 153, 389, 646 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 396, 153, 389, 646 is 1.
1. What is the GCD of 396, 153, 389, 646?
GCD of given numbers 396, 153, 389, 646 is 1
2. How to calculate the greatest common divisor of 396, 153, 389, 646?
We can find the highest common divisor of 396, 153, 389, 646 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 396, 153, 389, 646 i.e 1.
3. How can I use the GCD of 396, 153, 389, 646Calculator?
Out the numbers 396, 153, 389, 646 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.