GCD of 420, 810, 188 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 420, 810, 188 quickly. Get the easiest ways to solve the greatest common divisor of 420, 810, 188 i.e 2 in different methods as follows.
Given Input numbers are 420, 810, 188
In the factoring method, we have to find the divisors of all numbers
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 810 :
The positive integer divisors of 810 that completely divides 810 are.
1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810
Divisors of 188 :
The positive integer divisors of 188 that completely divides 188 are.
1, 2, 4, 47, 94, 188
GCD of numbers is the greatest common divisor
So, the GCD (420, 810, 188) = 2.
Given numbers are 420, 810, 188
The list of prime factors of all numbers are
Prime factors of 420 are 2 x 2 x 3 x 5 x 7
Prime factors of 810 are 2 x 3 x 3 x 3 x 3 x 5
Prime factors of 188 are 2 x 2 x 47
The highest common occurrence is 21
Therefore, GCD of 420, 810, 188 is 2.
Steps to Calculate GCD of 420, 810, 188 using LCM Formula
Given numbers are 420, 810, 188
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(420, 810) = 11340
GCD(420, 810) = ( 420 x 810 ) / 11340
= 420 / 810
= 420
Step2:
LCM(30, 188) = 2820
GCD(30, 188) = ( 30 x 188 ) / 2820
= 30 / 188
= 30
So, Greatest Common Divisor of 420, 810, 188 is 2
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 420, 810, 188
Given numbers are 420, 810, 188
The greatest common divisor of numbers 420, 810, 188 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 420, 810, 188 is 2.
FAQs on GCD of 420, 810, 188 Calculator
1. What is the GCD of 420, 810, 188?
GCD of given numbers 420, 810, 188 is 2
2. How to calculate the greatest common divisor of 420, 810, 188?
We can find the highest common divisor of 420, 810, 188 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 420, 810, 188 i.e 2.
3. How can I use the GCD of 420, 810, 188Calculator?
Out the numbers 420, 810, 188 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.