GCD of 170, 764, 721 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 170, 764, 721 quickly. Get the easiest ways to solve the greatest common divisor of 170, 764, 721 i.e 1 in different methods as follows.
Given Input numbers are 170, 764, 721
In the factoring method, we have to find the divisors of all numbers
Divisors of 170 :
The positive integer divisors of 170 that completely divides 170 are.
1, 2, 5, 10, 17, 34, 85, 170
Divisors of 764 :
The positive integer divisors of 764 that completely divides 764 are.
1, 2, 4, 191, 382, 764
Divisors of 721 :
The positive integer divisors of 721 that completely divides 721 are.
1, 7, 103, 721
GCD of numbers is the greatest common divisor
So, the GCD (170, 764, 721) = 1.
Given numbers are 170, 764, 721
The list of prime factors of all numbers are
Prime factors of 170 are 2 x 5 x 17
Prime factors of 764 are 2 x 2 x 191
Prime factors of 721 are 7 x 103
The above numbers do not have any common prime factor. So GCD is 1
Steps to Calculate GCD of 170, 764, 721 using LCM Formula
Given numbers are 170, 764, 721
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(170, 764) = 64940
GCD(170, 764) = ( 170 x 764 ) / 64940
= 170 / 764
= 170
Step2:
LCM(2, 721) = 1442
GCD(2, 721) = ( 2 x 721 ) / 1442
= 2 / 721
= 2
So, Greatest Common Divisor of 170, 764, 721 is 1
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 170, 764, 721
Given numbers are 170, 764, 721
The greatest common divisor of numbers 170, 764, 721 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 170, 764, 721 is 1.
FAQs on GCD of 170, 764, 721 Calculator
1. What is the GCD of 170, 764, 721?
GCD of given numbers 170, 764, 721 is 1
2. How to calculate the greatest common divisor of 170, 764, 721?
We can find the highest common divisor of 170, 764, 721 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 170, 764, 721 i.e 1.
3. How can I use the GCD of 170, 764, 721Calculator?
Out the numbers 170, 764, 721 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.