GCD of 657, 981, 820 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 657, 981, 820 quickly. Get the easiest ways to solve the greatest common divisor of 657, 981, 820 i.e 1 in different methods as follows.
Given Input numbers are 657, 981, 820
In the factoring method, we have to find the divisors of all numbers
Divisors of 657 :
The positive integer divisors of 657 that completely divides 657 are.
1, 3, 9, 73, 219, 657
Divisors of 981 :
The positive integer divisors of 981 that completely divides 981 are.
1, 3, 9, 109, 327, 981
Divisors of 820 :
The positive integer divisors of 820 that completely divides 820 are.
1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820
GCD of numbers is the greatest common divisor
So, the GCD (657, 981, 820) = 1.
Given numbers are 657, 981, 820
The list of prime factors of all numbers are
Prime factors of 657 are 3 x 3 x 73
Prime factors of 981 are 3 x 3 x 109
Prime factors of 820 are 2 x 2 x 5 x 41
The above numbers do not have any common prime factor. So GCD is 1
Steps to Calculate GCD of 657, 981, 820 using LCM Formula
Given numbers are 657, 981, 820
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(657, 981) = 71613
GCD(657, 981) = ( 657 x 981 ) / 71613
= 657 / 981
= 657
Step2:
LCM(9, 820) = 7380
GCD(9, 820) = ( 9 x 820 ) / 7380
= 9 / 820
= 9
So, Greatest Common Divisor of 657, 981, 820 is 1
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 657, 981, 820
Given numbers are 657, 981, 820
The greatest common divisor of numbers 657, 981, 820 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 657, 981, 820 is 1.
FAQs on GCD of 657, 981, 820 Calculator
1. What is the GCD of 657, 981, 820?
GCD of given numbers 657, 981, 820 is 1
2. How to calculate the greatest common divisor of 657, 981, 820?
We can find the highest common divisor of 657, 981, 820 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 657, 981, 820 i.e 1.
3. How can I use the GCD of 657, 981, 820Calculator?
Out the numbers 657, 981, 820 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.