GCD of 428, 820, 378 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 428, 820, 378 quickly. Get the easiest ways to solve the greatest common divisor of 428, 820, 378 i.e 2 in different methods as follows.
Given Input numbers are 428, 820, 378
In the factoring method, we have to find the divisors of all numbers
Divisors of 428 :
The positive integer divisors of 428 that completely divides 428 are.
1, 2, 4, 107, 214, 428
Divisors of 820 :
The positive integer divisors of 820 that completely divides 820 are.
1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820
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
GCD of numbers is the greatest common divisor
So, the GCD (428, 820, 378) = 2.
Given numbers are 428, 820, 378
The list of prime factors of all numbers are
Prime factors of 428 are 2 x 2 x 107
Prime factors of 820 are 2 x 2 x 5 x 41
Prime factors of 378 are 2 x 3 x 3 x 3 x 7
The highest common occurrence is 21
Therefore, GCD of 428, 820, 378 is 2.
Steps to Calculate GCD of 428, 820, 378 using LCM Formula
Given numbers are 428, 820, 378
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(428, 820) = 87740
GCD(428, 820) = ( 428 x 820 ) / 87740
= 428 / 820
= 428
Step2:
LCM(4, 378) = 756
GCD(4, 378) = ( 4 x 378 ) / 756
= 4 / 378
= 4
So, Greatest Common Divisor of 428, 820, 378 is 2
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 428, 820, 378
Given numbers are 428, 820, 378
The greatest common divisor of numbers 428, 820, 378 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 428, 820, 378 is 2.
FAQs on GCD of 428, 820, 378 Calculator
1. What is the GCD of 428, 820, 378?
GCD of given numbers 428, 820, 378 is 2
2. How to calculate the greatest common divisor of 428, 820, 378?
We can find the highest common divisor of 428, 820, 378 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 428, 820, 378 i.e 2.
3. How can I use the GCD of 428, 820, 378Calculator?
Out the numbers 428, 820, 378 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.