GCD of 477, 688, 391 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 477, 688, 391 quickly. Get the easiest ways to solve the greatest common divisor of 477, 688, 391 i.e 1 in different methods as follows.
Given Input numbers are 477, 688, 391
In the factoring method, we have to find the divisors of all numbers
Divisors of 477 :
The positive integer divisors of 477 that completely divides 477 are.
1, 3, 9, 53, 159, 477
Divisors of 688 :
The positive integer divisors of 688 that completely divides 688 are.
1, 2, 4, 8, 16, 43, 86, 172, 344, 688
Divisors of 391 :
The positive integer divisors of 391 that completely divides 391 are.
1, 17, 23, 391
GCD of numbers is the greatest common divisor
So, the GCD (477, 688, 391) = 1.
Given numbers are 477, 688, 391
The list of prime factors of all numbers are
Prime factors of 477 are 3 x 3 x 53
Prime factors of 688 are 2 x 2 x 2 x 2 x 43
Prime factors of 391 are 17 x 23
The above numbers do not have any common prime factor. So GCD is 1
Steps to Calculate GCD of 477, 688, 391 using LCM Formula
Given numbers are 477, 688, 391
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(477, 688) = 328176
GCD(477, 688) = ( 477 x 688 ) / 328176
= 477 / 688
= 477
Step2:
LCM(1, 391) = 391
GCD(1, 391) = ( 1 x 391 ) / 391
= 1 / 391
= 1
So, Greatest Common Divisor of 477, 688, 391 is 1
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 477, 688, 391
Given numbers are 477, 688, 391
The greatest common divisor of numbers 477, 688, 391 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 477, 688, 391 is 1.
FAQs on GCD of 477, 688, 391 Calculator
1. What is the GCD of 477, 688, 391?
GCD of given numbers 477, 688, 391 is 1
2. How to calculate the greatest common divisor of 477, 688, 391?
We can find the highest common divisor of 477, 688, 391 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 477, 688, 391 i.e 1.
3. How can I use the GCD of 477, 688, 391Calculator?
Out the numbers 477, 688, 391 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.