GCD of 381, 420, 206 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 381, 420, 206 quickly. Get the easiest ways to solve the greatest common divisor of 381, 420, 206 i.e 1 in different methods as follows.
Given Input numbers are 381, 420, 206
In the factoring method, we have to find the divisors of all numbers
Divisors of 381 :
The positive integer divisors of 381 that completely divides 381 are.
1, 3, 127, 381
Divisors of 420 :
The positive integer divisors of 420 that completely divides 420 are.
1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420
Divisors of 206 :
The positive integer divisors of 206 that completely divides 206 are.
1, 2, 103, 206
GCD of numbers is the greatest common divisor
So, the GCD (381, 420, 206) = 1.
Given numbers are 381, 420, 206
The list of prime factors of all numbers are
Prime factors of 381 are 3 x 127
Prime factors of 420 are 2 x 2 x 3 x 5 x 7
Prime factors of 206 are 2 x 103
The above numbers do not have any common prime factor. So GCD is 1
Steps to Calculate GCD of 381, 420, 206 using LCM Formula
Given numbers are 381, 420, 206
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(381, 420) = 53340
GCD(381, 420) = ( 381 x 420 ) / 53340
= 381 / 420
= 381
Step2:
LCM(3, 206) = 618
GCD(3, 206) = ( 3 x 206 ) / 618
= 3 / 206
= 3
So, Greatest Common Divisor of 381, 420, 206 is 1
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 381, 420, 206
Given numbers are 381, 420, 206
The greatest common divisor of numbers 381, 420, 206 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 381, 420, 206 is 1.
FAQs on GCD of 381, 420, 206 Calculator
1. What is the GCD of 381, 420, 206?
GCD of given numbers 381, 420, 206 is 1
2. How to calculate the greatest common divisor of 381, 420, 206?
We can find the highest common divisor of 381, 420, 206 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 381, 420, 206 i.e 1.
3. How can I use the GCD of 381, 420, 206Calculator?
Out the numbers 381, 420, 206 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.