GCD of 392, 390, 981 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 392, 390, 981 quickly. Get the easiest ways to solve the greatest common divisor of 392, 390, 981 i.e 1 in different methods as follows.
Given Input numbers are 392, 390, 981
In the factoring method, we have to find the divisors of all numbers
Divisors of 392 :
The positive integer divisors of 392 that completely divides 392 are.
1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392
Divisors of 390 :
The positive integer divisors of 390 that completely divides 390 are.
1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390
Divisors of 981 :
The positive integer divisors of 981 that completely divides 981 are.
1, 3, 9, 109, 327, 981
GCD of numbers is the greatest common divisor
So, the GCD (392, 390, 981) = 1.
Given numbers are 392, 390, 981
The list of prime factors of all numbers are
Prime factors of 392 are 2 x 2 x 2 x 7 x 7
Prime factors of 390 are 2 x 3 x 5 x 13
Prime factors of 981 are 3 x 3 x 109
The above numbers do not have any common prime factor. So GCD is 1
Steps to Calculate GCD of 392, 390, 981 using LCM Formula
Given numbers are 392, 390, 981
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(392, 390) = 76440
GCD(392, 390) = ( 392 x 390 ) / 76440
= 392 / 390
= 392
Step2:
LCM(2, 981) = 1962
GCD(2, 981) = ( 2 x 981 ) / 1962
= 2 / 981
= 2
So, Greatest Common Divisor of 392, 390, 981 is 1
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 392, 390, 981
Given numbers are 392, 390, 981
The greatest common divisor of numbers 392, 390, 981 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 392, 390, 981 is 1.
FAQs on GCD of 392, 390, 981 Calculator
1. What is the GCD of 392, 390, 981?
GCD of given numbers 392, 390, 981 is 1
2. How to calculate the greatest common divisor of 392, 390, 981?
We can find the highest common divisor of 392, 390, 981 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 392, 390, 981 i.e 1.
3. How can I use the GCD of 392, 390, 981Calculator?
Out the numbers 392, 390, 981 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.