GCD of 687, 371, 21, 383 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 687, 371, 21, 383 quickly. Get the easiest ways to solve the greatest common divisor of 687, 371, 21, 383 i.e 1 in different methods as follows.
Given Input numbers are 687, 371, 21, 383
In the factoring method, we have to find the divisors of all numbers
Divisors of 687 :
The positive integer divisors of 687 that completely divides 687 are.
1, 3, 229, 687
Divisors of 371 :
The positive integer divisors of 371 that completely divides 371 are.
1, 7, 53, 371
Divisors of 21 :
The positive integer divisors of 21 that completely divides 21 are.
1, 3, 7, 21
Divisors of 383 :
The positive integer divisors of 383 that completely divides 383 are.
1, 383
GCD of numbers is the greatest common divisor
So, the GCD (687, 371, 21, 383) = 1.
Given numbers are 687, 371, 21, 383
The list of prime factors of all numbers are
Prime factors of 687 are 3 x 229
Prime factors of 371 are 7 x 53
Prime factors of 21 are 3 x 7
Prime factors of 383 are 383
The above numbers do not have any common prime factor. So GCD is 1
Steps to Calculate GCD of 687, 371, 21, 383 using LCM Formula
Given numbers are 687, 371, 21, 383
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(687, 371) = 254877
GCD(687, 371) = ( 687 x 371 ) / 254877
= 687 / 371
= 687
Step2:
LCM(1, 21) = 21
GCD(1, 21) = ( 1 x 21 ) / 21
= 1 / 21
= 1
Step3:
LCM(1, 383) = 383
GCD(1, 383) = ( 1 x 383 ) / 383
= 1 / 383
= 1
So, Greatest Common Divisor of 687, 371, 21, 383 is 1
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 687, 371, 21, 383
Given numbers are 687, 371, 21, 383
The greatest common divisor of numbers 687, 371, 21, 383 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 687, 371, 21, 383 is 1.
FAQs on GCD of 687, 371, 21, 383 Calculator
1. What is the GCD of 687, 371, 21, 383?
GCD of given numbers 687, 371, 21, 383 is 1
2. How to calculate the greatest common divisor of 687, 371, 21, 383?
We can find the highest common divisor of 687, 371, 21, 383 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 687, 371, 21, 383 i.e 1.
3. How can I use the GCD of 687, 371, 21, 383Calculator?
Out the numbers 687, 371, 21, 383 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.