GCD of 820, 780, 671 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 820, 780, 671 quickly. Get the easiest ways to solve the greatest common divisor of 820, 780, 671 i.e 1 in different methods as follows.
Given Input numbers are 820, 780, 671
In the factoring method, we have to find the divisors of all numbers
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
Divisors of 780 :
The positive integer divisors of 780 that completely divides 780 are.
1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780
Divisors of 671 :
The positive integer divisors of 671 that completely divides 671 are.
1, 11, 61, 671
GCD of numbers is the greatest common divisor
So, the GCD (820, 780, 671) = 1.
Given numbers are 820, 780, 671
The list of prime factors of all numbers are
Prime factors of 820 are 2 x 2 x 5 x 41
Prime factors of 780 are 2 x 2 x 3 x 5 x 13
Prime factors of 671 are 11 x 61
The above numbers do not have any common prime factor. So GCD is 1
Steps to Calculate GCD of 820, 780, 671 using LCM Formula
Given numbers are 820, 780, 671
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(820, 780) = 31980
GCD(820, 780) = ( 820 x 780 ) / 31980
= 820 / 780
= 820
Step2:
LCM(20, 671) = 13420
GCD(20, 671) = ( 20 x 671 ) / 13420
= 20 / 671
= 20
So, Greatest Common Divisor of 820, 780, 671 is 1
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 820, 780, 671
Given numbers are 820, 780, 671
The greatest common divisor of numbers 820, 780, 671 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 820, 780, 671 is 1.
FAQs on GCD of 820, 780, 671 Calculator
1. What is the GCD of 820, 780, 671?
GCD of given numbers 820, 780, 671 is 1
2. How to calculate the greatest common divisor of 820, 780, 671?
We can find the highest common divisor of 820, 780, 671 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 820, 780, 671 i.e 1.
3. How can I use the GCD of 820, 780, 671Calculator?
Out the numbers 820, 780, 671 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.