GCD of 628, 391, 355 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 628, 391, 355 quickly. Get the easiest ways to solve the greatest common divisor of 628, 391, 355 i.e 1 in different methods as follows.
Given Input numbers are 628, 391, 355
In the factoring method, we have to find the divisors of all numbers
Divisors of 628 :
The positive integer divisors of 628 that completely divides 628 are.
1, 2, 4, 157, 314, 628
Divisors of 391 :
The positive integer divisors of 391 that completely divides 391 are.
1, 17, 23, 391
Divisors of 355 :
The positive integer divisors of 355 that completely divides 355 are.
1, 5, 71, 355
GCD of numbers is the greatest common divisor
So, the GCD (628, 391, 355) = 1.
Given numbers are 628, 391, 355
The list of prime factors of all numbers are
Prime factors of 628 are 2 x 2 x 157
Prime factors of 391 are 17 x 23
Prime factors of 355 are 5 x 71
The above numbers do not have any common prime factor. So GCD is 1
Steps to Calculate GCD of 628, 391, 355 using LCM Formula
Given numbers are 628, 391, 355
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(628, 391) = 245548
GCD(628, 391) = ( 628 x 391 ) / 245548
= 628 / 391
= 628
Step2:
LCM(1, 355) = 355
GCD(1, 355) = ( 1 x 355 ) / 355
= 1 / 355
= 1
So, Greatest Common Divisor of 628, 391, 355 is 1
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 628, 391, 355
Given numbers are 628, 391, 355
The greatest common divisor of numbers 628, 391, 355 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 628, 391, 355 is 1.
FAQs on GCD of 628, 391, 355 Calculator
1. What is the GCD of 628, 391, 355?
GCD of given numbers 628, 391, 355 is 1
2. How to calculate the greatest common divisor of 628, 391, 355?
We can find the highest common divisor of 628, 391, 355 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 628, 391, 355 i.e 1.
3. How can I use the GCD of 628, 391, 355Calculator?
Out the numbers 628, 391, 355 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.