GCD of 247, 687, 989 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 247, 687, 989 quickly. Get the easiest ways to solve the greatest common divisor of 247, 687, 989 i.e 1 in different methods as follows.
Given Input numbers are 247, 687, 989
In the factoring method, we have to find the divisors of all numbers
Divisors of 247 :
The positive integer divisors of 247 that completely divides 247 are.
1, 13, 19, 247
Divisors of 687 :
The positive integer divisors of 687 that completely divides 687 are.
1, 3, 229, 687
Divisors of 989 :
The positive integer divisors of 989 that completely divides 989 are.
1, 23, 43, 989
GCD of numbers is the greatest common divisor
So, the GCD (247, 687, 989) = 1.
Given numbers are 247, 687, 989
The list of prime factors of all numbers are
Prime factors of 247 are 13 x 19
Prime factors of 687 are 3 x 229
Prime factors of 989 are 23 x 43
The above numbers do not have any common prime factor. So GCD is 1
Steps to Calculate GCD of 247, 687, 989 using LCM Formula
Given numbers are 247, 687, 989
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(247, 687) = 169689
GCD(247, 687) = ( 247 x 687 ) / 169689
= 247 / 687
= 247
Step2:
LCM(1, 989) = 989
GCD(1, 989) = ( 1 x 989 ) / 989
= 1 / 989
= 1
So, Greatest Common Divisor of 247, 687, 989 is 1
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 247, 687, 989
Given numbers are 247, 687, 989
The greatest common divisor of numbers 247, 687, 989 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 247, 687, 989 is 1.
FAQs on GCD of 247, 687, 989 Calculator
1. What is the GCD of 247, 687, 989?
GCD of given numbers 247, 687, 989 is 1
2. How to calculate the greatest common divisor of 247, 687, 989?
We can find the highest common divisor of 247, 687, 989 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 247, 687, 989 i.e 1.
3. How can I use the GCD of 247, 687, 989Calculator?
Out the numbers 247, 687, 989 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.