GCD of 392, 434, 721 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 392, 434, 721 quickly. Get the easiest ways to solve the greatest common divisor of 392, 434, 721 i.e 7 in different methods as follows.
Given Input numbers are 392, 434, 721
In the factoring method, we have to find the divisors of all numbers
Divisors of 392 :
The positive integer divisors of 392 that completely divides 392 are.
1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392
Divisors of 434 :
The positive integer divisors of 434 that completely divides 434 are.
1, 2, 7, 14, 31, 62, 217, 434
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 (392, 434, 721) = 7.
Given numbers are 392, 434, 721
The list of prime factors of all numbers are
Prime factors of 392 are 2 x 2 x 2 x 7 x 7
Prime factors of 434 are 2 x 7 x 31
Prime factors of 721 are 7 x 103
The highest common occurrence is 71
Therefore, GCD of 392, 434, 721 is 7.
Steps to Calculate GCD of 392, 434, 721 using LCM Formula
Given numbers are 392, 434, 721
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(392, 434) = 12152
GCD(392, 434) = ( 392 x 434 ) / 12152
= 392 / 434
= 392
Step2:
LCM(14, 721) = 1442
GCD(14, 721) = ( 14 x 721 ) / 1442
= 14 / 721
= 14
So, Greatest Common Divisor of 392, 434, 721 is 7
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 392, 434, 721
Given numbers are 392, 434, 721
The greatest common divisor of numbers 392, 434, 721 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 392, 434, 721 is 7.
FAQs on GCD of 392, 434, 721 Calculator
1. What is the GCD of 392, 434, 721?
GCD of given numbers 392, 434, 721 is 7
2. How to calculate the greatest common divisor of 392, 434, 721?
We can find the highest common divisor of 392, 434, 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 392, 434, 721 i.e 7.
3. How can I use the GCD of 392, 434, 721Calculator?
Out the numbers 392, 434, 721 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.