GCD of 196, 642, 398 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 196, 642, 398 quickly. Get the easiest ways to solve the greatest common divisor of 196, 642, 398 i.e 2 in different methods as follows.
Given Input numbers are 196, 642, 398
In the factoring method, we have to find the divisors of all numbers
Divisors of 196 :
The positive integer divisors of 196 that completely divides 196 are.
1, 2, 4, 7, 14, 28, 49, 98, 196
Divisors of 642 :
The positive integer divisors of 642 that completely divides 642 are.
1, 2, 3, 6, 107, 214, 321, 642
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 (196, 642, 398) = 2.
Given numbers are 196, 642, 398
The list of prime factors of all numbers are
Prime factors of 196 are 2 x 2 x 7 x 7
Prime factors of 642 are 2 x 3 x 107
Prime factors of 398 are 2 x 199
The highest common occurrence is 21
Therefore, GCD of 196, 642, 398 is 2.
Steps to Calculate GCD of 196, 642, 398 using LCM Formula
Given numbers are 196, 642, 398
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(196, 642) = 62916
GCD(196, 642) = ( 196 x 642 ) / 62916
= 196 / 642
= 196
Step2:
LCM(2, 398) = 398
GCD(2, 398) = ( 2 x 398 ) / 398
= 2 / 398
= 2
So, Greatest Common Divisor of 196, 642, 398 is 2
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 196, 642, 398
Given numbers are 196, 642, 398
The greatest common divisor of numbers 196, 642, 398 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 196, 642, 398 is 2.
FAQs on GCD of 196, 642, 398 Calculator
1. What is the GCD of 196, 642, 398?
GCD of given numbers 196, 642, 398 is 2
2. How to calculate the greatest common divisor of 196, 642, 398?
We can find the highest common divisor of 196, 642, 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 196, 642, 398 i.e 2.
3. How can I use the GCD of 196, 642, 398Calculator?
Out the numbers 196, 642, 398 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.