GCD of 821, 873, 28 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 821, 873, 28 quickly. Get the easiest ways to solve the greatest common divisor of 821, 873, 28 i.e 1 in different methods as follows.
Given Input numbers are 821, 873, 28
In the factoring method, we have to find the divisors of all numbers
Divisors of 821 :
The positive integer divisors of 821 that completely divides 821 are.
1, 821
Divisors of 873 :
The positive integer divisors of 873 that completely divides 873 are.
1, 3, 9, 97, 291, 873
Divisors of 28 :
The positive integer divisors of 28 that completely divides 28 are.
1, 2, 4, 7, 14, 28
GCD of numbers is the greatest common divisor
So, the GCD (821, 873, 28) = 1.
Given numbers are 821, 873, 28
The list of prime factors of all numbers are
Prime factors of 821 are 821
Prime factors of 873 are 3 x 3 x 97
Prime factors of 28 are 2 x 2 x 7
The above numbers do not have any common prime factor. So GCD is 1
Steps to Calculate GCD of 821, 873, 28 using LCM Formula
Given numbers are 821, 873, 28
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(821, 873) = 716733
GCD(821, 873) = ( 821 x 873 ) / 716733
= 821 / 873
= 821
Step2:
LCM(1, 28) = 28
GCD(1, 28) = ( 1 x 28 ) / 28
= 1 / 28
= 1
So, Greatest Common Divisor of 821, 873, 28 is 1
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 821, 873, 28
Given numbers are 821, 873, 28
The greatest common divisor of numbers 821, 873, 28 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 821, 873, 28 is 1.
FAQs on GCD of 821, 873, 28 Calculator
1. What is the GCD of 821, 873, 28?
GCD of given numbers 821, 873, 28 is 1
2. How to calculate the greatest common divisor of 821, 873, 28?
We can find the highest common divisor of 821, 873, 28 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 821, 873, 28 i.e 1.
3. How can I use the GCD of 821, 873, 28Calculator?
Out the numbers 821, 873, 28 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.