Online GCD Calculator is useful to find the GCD of 459, 342, 689 quickly. Get the easiest ways to solve the greatest common divisor of 459, 342, 689 i.e 1 in different methods as follows.
Given Input numbers are 459, 342, 689
In the factoring method, we have to find the divisors of all numbers
Divisors of 459 :
The positive integer divisors of 459 that completely divides 459 are.
1, 3, 9, 17, 27, 51, 153, 459
Divisors of 342 :
The positive integer divisors of 342 that completely divides 342 are.
1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342
Divisors of 689 :
The positive integer divisors of 689 that completely divides 689 are.
1, 13, 53, 689
GCD of numbers is the greatest common divisor
So, the GCD (459, 342, 689) = 1.
Given numbers are 459, 342, 689
The list of prime factors of all numbers are
Prime factors of 459 are 3 x 3 x 3 x 17
Prime factors of 342 are 2 x 3 x 3 x 19
Prime factors of 689 are 13 x 53
The above numbers do not have any common prime factor. So GCD is 1
Given numbers are 459, 342, 689
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(459, 342) = 17442
GCD(459, 342) = ( 459 x 342 ) / 17442
= 459 / 342
= 459
Step2:
LCM(9, 689) = 6201
GCD(9, 689) = ( 9 x 689 ) / 6201
= 9 / 689
= 9
So, Greatest Common Divisor of 459, 342, 689 is 1
Here are some samples of GCD of Numbers calculations.
Given numbers are 459, 342, 689
The greatest common divisor of numbers 459, 342, 689 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 459, 342, 689 is 1.
1. What is the GCD of 459, 342, 689?
GCD of given numbers 459, 342, 689 is 1
2. How to calculate the greatest common divisor of 459, 342, 689?
We can find the highest common divisor of 459, 342, 689 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 459, 342, 689 i.e 1.
3. How can I use the GCD of 459, 342, 689Calculator?
Out the numbers 459, 342, 689 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.