GCD of 628, 857, 31, 165 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 628, 857, 31, 165 quickly. Get the easiest ways to solve the greatest common divisor of 628, 857, 31, 165 i.e 1 in different methods as follows.
Given Input numbers are 628, 857, 31, 165
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 857 :
The positive integer divisors of 857 that completely divides 857 are.
1, 857
Divisors of 31 :
The positive integer divisors of 31 that completely divides 31 are.
1, 31
Divisors of 165 :
The positive integer divisors of 165 that completely divides 165 are.
1, 3, 5, 11, 15, 33, 55, 165
GCD of numbers is the greatest common divisor
So, the GCD (628, 857, 31, 165) = 1.
Given numbers are 628, 857, 31, 165
The list of prime factors of all numbers are
Prime factors of 628 are 2 x 2 x 157
Prime factors of 857 are 857
Prime factors of 31 are 31
Prime factors of 165 are 3 x 5 x 11
The above numbers do not have any common prime factor. So GCD is 1
Steps to Calculate GCD of 628, 857, 31, 165 using LCM Formula
Given numbers are 628, 857, 31, 165
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(628, 857) = 538196
GCD(628, 857) = ( 628 x 857 ) / 538196
= 628 / 857
= 628
Step2:
LCM(1, 31) = 31
GCD(1, 31) = ( 1 x 31 ) / 31
= 1 / 31
= 1
Step3:
LCM(1, 165) = 165
GCD(1, 165) = ( 1 x 165 ) / 165
= 1 / 165
= 1
So, Greatest Common Divisor of 628, 857, 31, 165 is 1
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 628, 857, 31, 165
Given numbers are 628, 857, 31, 165
The greatest common divisor of numbers 628, 857, 31, 165 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 628, 857, 31, 165 is 1.
FAQs on GCD of 628, 857, 31, 165 Calculator
1. What is the GCD of 628, 857, 31, 165?
GCD of given numbers 628, 857, 31, 165 is 1
2. How to calculate the greatest common divisor of 628, 857, 31, 165?
We can find the highest common divisor of 628, 857, 31, 165 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, 857, 31, 165 i.e 1.
3. How can I use the GCD of 628, 857, 31, 165Calculator?
Out the numbers 628, 857, 31, 165 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.