GCD of 343, 390, 205 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 343, 390, 205 quickly. Get the easiest ways to solve the greatest common divisor of 343, 390, 205 i.e 1 in different methods as follows.
Given Input numbers are 343, 390, 205
In the factoring method, we have to find the divisors of all numbers
Divisors of 343 :
The positive integer divisors of 343 that completely divides 343 are.
1, 7, 49, 343
Divisors of 390 :
The positive integer divisors of 390 that completely divides 390 are.
1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390
Divisors of 205 :
The positive integer divisors of 205 that completely divides 205 are.
1, 5, 41, 205
GCD of numbers is the greatest common divisor
So, the GCD (343, 390, 205) = 1.
Given numbers are 343, 390, 205
The list of prime factors of all numbers are
Prime factors of 343 are 7 x 7 x 7
Prime factors of 390 are 2 x 3 x 5 x 13
Prime factors of 205 are 5 x 41
The above numbers do not have any common prime factor. So GCD is 1
Steps to Calculate GCD of 343, 390, 205 using LCM Formula
Given numbers are 343, 390, 205
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(343, 390) = 133770
GCD(343, 390) = ( 343 x 390 ) / 133770
= 343 / 390
= 343
Step2:
LCM(1, 205) = 205
GCD(1, 205) = ( 1 x 205 ) / 205
= 1 / 205
= 1
So, Greatest Common Divisor of 343, 390, 205 is 1
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 343, 390, 205
Given numbers are 343, 390, 205
The greatest common divisor of numbers 343, 390, 205 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 343, 390, 205 is 1.
FAQs on GCD of 343, 390, 205 Calculator
1. What is the GCD of 343, 390, 205?
GCD of given numbers 343, 390, 205 is 1
2. How to calculate the greatest common divisor of 343, 390, 205?
We can find the highest common divisor of 343, 390, 205 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 343, 390, 205 i.e 1.
3. How can I use the GCD of 343, 390, 205Calculator?
Out the numbers 343, 390, 205 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.