GCD of 490, 138, 54 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 490, 138, 54 quickly. Get the easiest ways to solve the greatest common divisor of 490, 138, 54 i.e 2 in different methods as follows.
Given Input numbers are 490, 138, 54
In the factoring method, we have to find the divisors of all numbers
Divisors of 490 :
The positive integer divisors of 490 that completely divides 490 are.
1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490
Divisors of 138 :
The positive integer divisors of 138 that completely divides 138 are.
1, 2, 3, 6, 23, 46, 69, 138
Divisors of 54 :
The positive integer divisors of 54 that completely divides 54 are.
1, 2, 3, 6, 9, 18, 27, 54
GCD of numbers is the greatest common divisor
So, the GCD (490, 138, 54) = 2.
Given numbers are 490, 138, 54
The list of prime factors of all numbers are
Prime factors of 490 are 2 x 5 x 7 x 7
Prime factors of 138 are 2 x 3 x 23
Prime factors of 54 are 2 x 3 x 3 x 3
The highest common occurrence is 21
Therefore, GCD of 490, 138, 54 is 2.
Steps to Calculate GCD of 490, 138, 54 using LCM Formula
Given numbers are 490, 138, 54
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(490, 138) = 33810
GCD(490, 138) = ( 490 x 138 ) / 33810
= 490 / 138
= 490
Step2:
LCM(2, 54) = 54
GCD(2, 54) = ( 2 x 54 ) / 54
= 2 / 54
= 2
So, Greatest Common Divisor of 490, 138, 54 is 2
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 490, 138, 54
Given numbers are 490, 138, 54
The greatest common divisor of numbers 490, 138, 54 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 490, 138, 54 is 2.
FAQs on GCD of 490, 138, 54 Calculator
1. What is the GCD of 490, 138, 54?
GCD of given numbers 490, 138, 54 is 2
2. How to calculate the greatest common divisor of 490, 138, 54?
We can find the highest common divisor of 490, 138, 54 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 490, 138, 54 i.e 2.
3. How can I use the GCD of 490, 138, 54Calculator?
Out the numbers 490, 138, 54 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.