GCD of 869, 129, 720 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 869, 129, 720 quickly. Get the easiest ways to solve the greatest common divisor of 869, 129, 720 i.e 1 in different methods as follows.
Given Input numbers are 869, 129, 720
In the factoring method, we have to find the divisors of all numbers
Divisors of 869 :
The positive integer divisors of 869 that completely divides 869 are.
1, 11, 79, 869
Divisors of 129 :
The positive integer divisors of 129 that completely divides 129 are.
1, 3, 43, 129
Divisors of 720 :
The positive integer divisors of 720 that completely divides 720 are.
1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720
GCD of numbers is the greatest common divisor
So, the GCD (869, 129, 720) = 1.
Given numbers are 869, 129, 720
The list of prime factors of all numbers are
Prime factors of 869 are 11 x 79
Prime factors of 129 are 3 x 43
Prime factors of 720 are 2 x 2 x 2 x 2 x 3 x 3 x 5
The above numbers do not have any common prime factor. So GCD is 1
Steps to Calculate GCD of 869, 129, 720 using LCM Formula
Given numbers are 869, 129, 720
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(869, 129) = 112101
GCD(869, 129) = ( 869 x 129 ) / 112101
= 869 / 129
= 869
Step2:
LCM(1, 720) = 720
GCD(1, 720) = ( 1 x 720 ) / 720
= 1 / 720
= 1
So, Greatest Common Divisor of 869, 129, 720 is 1
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 869, 129, 720
Given numbers are 869, 129, 720
The greatest common divisor of numbers 869, 129, 720 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 869, 129, 720 is 1.
FAQs on GCD of 869, 129, 720 Calculator
1. What is the GCD of 869, 129, 720?
GCD of given numbers 869, 129, 720 is 1
2. How to calculate the greatest common divisor of 869, 129, 720?
We can find the highest common divisor of 869, 129, 720 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 869, 129, 720 i.e 1.
3. How can I use the GCD of 869, 129, 720Calculator?
Out the numbers 869, 129, 720 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.