GCD of 347, 420, 138 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 347, 420, 138 quickly. Get the easiest ways to solve the greatest common divisor of 347, 420, 138 i.e 1 in different methods as follows.
Given Input numbers are 347, 420, 138
In the factoring method, we have to find the divisors of all numbers
Divisors of 347 :
The positive integer divisors of 347 that completely divides 347 are.
1, 347
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 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 (347, 420, 138) = 1.
Given numbers are 347, 420, 138
The list of prime factors of all numbers are
Prime factors of 347 are 347
Prime factors of 420 are 2 x 2 x 3 x 5 x 7
Prime factors of 138 are 2 x 3 x 23
The above numbers do not have any common prime factor. So GCD is 1
Steps to Calculate GCD of 347, 420, 138 using LCM Formula
Given numbers are 347, 420, 138
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(347, 420) = 145740
GCD(347, 420) = ( 347 x 420 ) / 145740
= 347 / 420
= 347
Step2:
LCM(1, 138) = 138
GCD(1, 138) = ( 1 x 138 ) / 138
= 1 / 138
= 1
So, Greatest Common Divisor of 347, 420, 138 is 1
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 347, 420, 138
Given numbers are 347, 420, 138
The greatest common divisor of numbers 347, 420, 138 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 347, 420, 138 is 1.
FAQs on GCD of 347, 420, 138 Calculator
1. What is the GCD of 347, 420, 138?
GCD of given numbers 347, 420, 138 is 1
2. How to calculate the greatest common divisor of 347, 420, 138?
We can find the highest common divisor of 347, 420, 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 347, 420, 138 i.e 1.
3. How can I use the GCD of 347, 420, 138Calculator?
Out the numbers 347, 420, 138 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.