GCD of 864, 660, 398 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 864, 660, 398 quickly. Get the easiest ways to solve the greatest common divisor of 864, 660, 398 i.e 2 in different methods as follows.
Given Input numbers are 864, 660, 398
In the factoring method, we have to find the divisors of all numbers
Divisors of 864 :
The positive integer divisors of 864 that completely divides 864 are.
1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 144, 216, 288, 432, 864
Divisors of 660 :
The positive integer divisors of 660 that completely divides 660 are.
1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660
Divisors of 398 :
The positive integer divisors of 398 that completely divides 398 are.
1, 2, 199, 398
GCD of numbers is the greatest common divisor
So, the GCD (864, 660, 398) = 2.
Given numbers are 864, 660, 398
The list of prime factors of all numbers are
Prime factors of 864 are 2 x 2 x 2 x 2 x 2 x 3 x 3 x 3
Prime factors of 660 are 2 x 2 x 3 x 5 x 11
Prime factors of 398 are 2 x 199
The highest common occurrence is 21
Therefore, GCD of 864, 660, 398 is 2.
Steps to Calculate GCD of 864, 660, 398 using LCM Formula
Given numbers are 864, 660, 398
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(864, 660) = 47520
GCD(864, 660) = ( 864 x 660 ) / 47520
= 864 / 660
= 864
Step2:
LCM(12, 398) = 2388
GCD(12, 398) = ( 12 x 398 ) / 2388
= 12 / 398
= 12
So, Greatest Common Divisor of 864, 660, 398 is 2
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 864, 660, 398
Given numbers are 864, 660, 398
The greatest common divisor of numbers 864, 660, 398 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 864, 660, 398 is 2.
FAQs on GCD of 864, 660, 398 Calculator
1. What is the GCD of 864, 660, 398?
GCD of given numbers 864, 660, 398 is 2
2. How to calculate the greatest common divisor of 864, 660, 398?
We can find the highest common divisor of 864, 660, 398 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 864, 660, 398 i.e 2.
3. How can I use the GCD of 864, 660, 398Calculator?
Out the numbers 864, 660, 398 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.