GCD of 398, 724, 665 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 398, 724, 665 quickly. Get the easiest ways to solve the greatest common divisor of 398, 724, 665 i.e 1 in different methods as follows.
Given Input numbers are 398, 724, 665
In the factoring method, we have to find the divisors of all numbers
Divisors of 398 :
The positive integer divisors of 398 that completely divides 398 are.
1, 2, 199, 398
Divisors of 724 :
The positive integer divisors of 724 that completely divides 724 are.
1, 2, 4, 181, 362, 724
Divisors of 665 :
The positive integer divisors of 665 that completely divides 665 are.
1, 5, 7, 19, 35, 95, 133, 665
GCD of numbers is the greatest common divisor
So, the GCD (398, 724, 665) = 1.
Given numbers are 398, 724, 665
The list of prime factors of all numbers are
Prime factors of 398 are 2 x 199
Prime factors of 724 are 2 x 2 x 181
Prime factors of 665 are 5 x 7 x 19
The above numbers do not have any common prime factor. So GCD is 1
Steps to Calculate GCD of 398, 724, 665 using LCM Formula
Given numbers are 398, 724, 665
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(398, 724) = 144076
GCD(398, 724) = ( 398 x 724 ) / 144076
= 398 / 724
= 398
Step2:
LCM(2, 665) = 1330
GCD(2, 665) = ( 2 x 665 ) / 1330
= 2 / 665
= 2
So, Greatest Common Divisor of 398, 724, 665 is 1
GCD of Numbers Calculation Examples
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Greatest Common Divisor of 398, 724, 665
Given numbers are 398, 724, 665
The greatest common divisor of numbers 398, 724, 665 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 398, 724, 665 is 1.
FAQs on GCD of 398, 724, 665 Calculator
1. What is the GCD of 398, 724, 665?
GCD of given numbers 398, 724, 665 is 1
2. How to calculate the greatest common divisor of 398, 724, 665?
We can find the highest common divisor of 398, 724, 665 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 398, 724, 665 i.e 1.
3. How can I use the GCD of 398, 724, 665Calculator?
Out the numbers 398, 724, 665 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.