GCD of 784, 387, 689 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 784, 387, 689 quickly. Get the easiest ways to solve the greatest common divisor of 784, 387, 689 i.e 1 in different methods as follows.
Given Input numbers are 784, 387, 689
In the factoring method, we have to find the divisors of all numbers
Divisors of 784 :
The positive integer divisors of 784 that completely divides 784 are.
1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784
Divisors of 387 :
The positive integer divisors of 387 that completely divides 387 are.
1, 3, 9, 43, 129, 387
Divisors of 689 :
The positive integer divisors of 689 that completely divides 689 are.
1, 13, 53, 689
GCD of numbers is the greatest common divisor
So, the GCD (784, 387, 689) = 1.
Given numbers are 784, 387, 689
The list of prime factors of all numbers are
Prime factors of 784 are 2 x 2 x 2 x 2 x 7 x 7
Prime factors of 387 are 3 x 3 x 43
Prime factors of 689 are 13 x 53
The above numbers do not have any common prime factor. So GCD is 1
Steps to Calculate GCD of 784, 387, 689 using LCM Formula
Given numbers are 784, 387, 689
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(784, 387) = 303408
GCD(784, 387) = ( 784 x 387 ) / 303408
= 784 / 387
= 784
Step2:
LCM(1, 689) = 689
GCD(1, 689) = ( 1 x 689 ) / 689
= 1 / 689
= 1
So, Greatest Common Divisor of 784, 387, 689 is 1
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 784, 387, 689
Given numbers are 784, 387, 689
The greatest common divisor of numbers 784, 387, 689 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 784, 387, 689 is 1.
FAQs on GCD of 784, 387, 689 Calculator
1. What is the GCD of 784, 387, 689?
GCD of given numbers 784, 387, 689 is 1
2. How to calculate the greatest common divisor of 784, 387, 689?
We can find the highest common divisor of 784, 387, 689 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 784, 387, 689 i.e 1.
3. How can I use the GCD of 784, 387, 689Calculator?
Out the numbers 784, 387, 689 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.