Online GCD Calculator is useful to find the GCD of 389, 143, 658 quickly. Get the easiest ways to solve the greatest common divisor of 389, 143, 658 i.e 1 in different methods as follows.
Given Input numbers are 389, 143, 658
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 143 :
The positive integer divisors of 143 that completely divides 143 are.
1, 11, 13, 143
Divisors of 658 :
The positive integer divisors of 658 that completely divides 658 are.
1, 2, 7, 14, 47, 94, 329, 658
GCD of numbers is the greatest common divisor
So, the GCD (389, 143, 658) = 1.
Given numbers are 389, 143, 658
The list of prime factors of all numbers are
Prime factors of 389 are 389
Prime factors of 143 are 11 x 13
Prime factors of 658 are 2 x 7 x 47
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 389, 143, 658
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(389, 143) = 55627
GCD(389, 143) = ( 389 x 143 ) / 55627
= 389 / 143
= 389
Step2:
LCM(1, 658) = 658
GCD(1, 658) = ( 1 x 658 ) / 658
= 1 / 658
= 1
So, Greatest Common Divisor of 389, 143, 658 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 389, 143, 658
The greatest common divisor of numbers 389, 143, 658 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 389, 143, 658 is 1.
1. What is the GCD of 389, 143, 658?
GCD of given numbers 389, 143, 658 is 1
2. How to calculate the greatest common divisor of 389, 143, 658?
We can find the highest common divisor of 389, 143, 658 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, 143, 658 i.e 1.
3. How can I use the GCD of 389, 143, 658Calculator?
Out the numbers 389, 143, 658 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.