GCD of 403, 309, 18 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 403, 309, 18 quickly. Get the easiest ways to solve the greatest common divisor of 403, 309, 18 i.e 1 in different methods as follows.
Given Input numbers are 403, 309, 18
In the factoring method, we have to find the divisors of all numbers
Divisors of 403 :
The positive integer divisors of 403 that completely divides 403 are.
1, 13, 31, 403
Divisors of 309 :
The positive integer divisors of 309 that completely divides 309 are.
1, 3, 103, 309
Divisors of 18 :
The positive integer divisors of 18 that completely divides 18 are.
1, 2, 3, 6, 9, 18
GCD of numbers is the greatest common divisor
So, the GCD (403, 309, 18) = 1.
Given numbers are 403, 309, 18
The list of prime factors of all numbers are
Prime factors of 403 are 13 x 31
Prime factors of 309 are 3 x 103
Prime factors of 18 are 2 x 3 x 3
The above numbers do not have any common prime factor. So GCD is 1
Steps to Calculate GCD of 403, 309, 18 using LCM Formula
Given numbers are 403, 309, 18
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(403, 309) = 124527
GCD(403, 309) = ( 403 x 309 ) / 124527
= 403 / 309
= 403
Step2:
LCM(1, 18) = 18
GCD(1, 18) = ( 1 x 18 ) / 18
= 1 / 18
= 1
So, Greatest Common Divisor of 403, 309, 18 is 1
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 403, 309, 18
Given numbers are 403, 309, 18
The greatest common divisor of numbers 403, 309, 18 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 403, 309, 18 is 1.
FAQs on GCD of 403, 309, 18 Calculator
1. What is the GCD of 403, 309, 18?
GCD of given numbers 403, 309, 18 is 1
2. How to calculate the greatest common divisor of 403, 309, 18?
We can find the highest common divisor of 403, 309, 18 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 403, 309, 18 i.e 1.
3. How can I use the GCD of 403, 309, 18Calculator?
Out the numbers 403, 309, 18 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.