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GCD of 447, 306, 138 Calculator

Created By : Veerendra
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023


Online GCD Calculator is useful to find the GCD of 447, 306, 138 quickly. Get the easiest ways to solve the greatest common divisor of 447, 306, 138 i.e 3 in different methods as follows.

GCD of

How to Find GCD of Numbers 447, 306, 138 with Factoring?

Given Input numbers are 447, 306, 138

In the factoring method, we have to find the divisors of all numbers

Divisors of 447 :

The positive integer divisors of 447 that completely divides 447 are.

1, 3, 149, 447

Divisors of 306 :

The positive integer divisors of 306 that completely divides 306 are.

1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306

Divisors of 138 :

The positive integer divisors of 138 that completely divides 138 are.

1, 2, 3, 6, 23, 46, 69, 138


GCD of numbers is the greatest common divisor

So, the GCD (447, 306, 138) = 3.

Find GCD of 447, 306, 138 using Prime Factorization

Given numbers are 447, 306, 138

The list of prime factors of all numbers are

Prime factors of 447 are 3 x 149

Prime factors of 306 are 2 x 3 x 3 x 17

Prime factors of 138 are 2 x 3 x 23

The highest common occurrence is 31

Therefore, GCD of 447, 306, 138 is 3.

Steps to Calculate GCD of 447, 306, 138 using LCM Formula

Given numbers are 447, 306, 138

GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)

Apply this formula for all numbers.

Step1:

LCM(447, 306) = 45594

GCD(447, 306) = ( 447 x 306 ) / 45594

= 447 / 306

= 447


Step2:

LCM(3, 138) = 138

GCD(3, 138) = ( 3 x 138 ) / 138

= 3 / 138

= 3


So, Greatest Common Divisor of 447, 306, 138 is 3

GCD of Numbers Calculation Examples

Greatest Common Divisor of 447, 306, 138

Given numbers are 447, 306, 138
The greatest common divisor of numbers 447, 306, 138 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 447, 306, 138 is 3.

FAQs on GCD of 447, 306, 138 Calculator

1. What is the GCD of 447, 306, 138?

GCD of given numbers 447, 306, 138 is 3


2. How to calculate the greatest common divisor of 447, 306, 138?

We can find the highest common divisor of 447, 306, 138 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 447, 306, 138 i.e 3.


3. How can I use the GCD of 447, 306, 138Calculator?

Out the numbers 447, 306, 138 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.