GCD of 378, 221, 105 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 378, 221, 105 quickly. Get the easiest ways to solve the greatest common divisor of 378, 221, 105 i.e 1 in different methods as follows.
Given Input numbers are 378, 221, 105
In the factoring method, we have to find the divisors of all numbers
Divisors of 378 :
The positive integer divisors of 378 that completely divides 378 are.
1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378
Divisors of 221 :
The positive integer divisors of 221 that completely divides 221 are.
1, 13, 17, 221
Divisors of 105 :
The positive integer divisors of 105 that completely divides 105 are.
1, 3, 5, 7, 15, 21, 35, 105
GCD of numbers is the greatest common divisor
So, the GCD (378, 221, 105) = 1.
Given numbers are 378, 221, 105
The list of prime factors of all numbers are
Prime factors of 378 are 2 x 3 x 3 x 3 x 7
Prime factors of 221 are 13 x 17
Prime factors of 105 are 3 x 5 x 7
The above numbers do not have any common prime factor. So GCD is 1
Steps to Calculate GCD of 378, 221, 105 using LCM Formula
Given numbers are 378, 221, 105
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(378, 221) = 83538
GCD(378, 221) = ( 378 x 221 ) / 83538
= 378 / 221
= 378
Step2:
LCM(1, 105) = 105
GCD(1, 105) = ( 1 x 105 ) / 105
= 1 / 105
= 1
So, Greatest Common Divisor of 378, 221, 105 is 1
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 378, 221, 105
Given numbers are 378, 221, 105
The greatest common divisor of numbers 378, 221, 105 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 378, 221, 105 is 1.
FAQs on GCD of 378, 221, 105 Calculator
1. What is the GCD of 378, 221, 105?
GCD of given numbers 378, 221, 105 is 1
2. How to calculate the greatest common divisor of 378, 221, 105?
We can find the highest common divisor of 378, 221, 105 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 378, 221, 105 i.e 1.
3. How can I use the GCD of 378, 221, 105Calculator?
Out the numbers 378, 221, 105 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.