GCD of 789, 273, 20 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 789, 273, 20 quickly. Get the easiest ways to solve the greatest common divisor of 789, 273, 20 i.e 1 in different methods as follows.
Given Input numbers are 789, 273, 20
In the factoring method, we have to find the divisors of all numbers
Divisors of 789 :
The positive integer divisors of 789 that completely divides 789 are.
1, 3, 263, 789
Divisors of 273 :
The positive integer divisors of 273 that completely divides 273 are.
1, 3, 7, 13, 21, 39, 91, 273
Divisors of 20 :
The positive integer divisors of 20 that completely divides 20 are.
1, 2, 4, 5, 10, 20
GCD of numbers is the greatest common divisor
So, the GCD (789, 273, 20) = 1.
Given numbers are 789, 273, 20
The list of prime factors of all numbers are
Prime factors of 789 are 3 x 263
Prime factors of 273 are 3 x 7 x 13
Prime factors of 20 are 2 x 2 x 5
The above numbers do not have any common prime factor. So GCD is 1
Steps to Calculate GCD of 789, 273, 20 using LCM Formula
Given numbers are 789, 273, 20
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(789, 273) = 71799
GCD(789, 273) = ( 789 x 273 ) / 71799
= 789 / 273
= 789
Step2:
LCM(3, 20) = 60
GCD(3, 20) = ( 3 x 20 ) / 60
= 3 / 20
= 3
So, Greatest Common Divisor of 789, 273, 20 is 1
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 789, 273, 20
Given numbers are 789, 273, 20
The greatest common divisor of numbers 789, 273, 20 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 789, 273, 20 is 1.
FAQs on GCD of 789, 273, 20 Calculator
1. What is the GCD of 789, 273, 20?
GCD of given numbers 789, 273, 20 is 1
2. How to calculate the greatest common divisor of 789, 273, 20?
We can find the highest common divisor of 789, 273, 20 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 789, 273, 20 i.e 1.
3. How can I use the GCD of 789, 273, 20Calculator?
Out the numbers 789, 273, 20 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.