GCD of 663, 840, 385 Calculator
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023
Online GCD Calculator is useful to find the GCD of 663, 840, 385 quickly. Get the easiest ways to solve the greatest common divisor of 663, 840, 385 i.e 1 in different methods as follows.
Given Input numbers are 663, 840, 385
In the factoring method, we have to find the divisors of all numbers
Divisors of 663 :
The positive integer divisors of 663 that completely divides 663 are.
1, 3, 13, 17, 39, 51, 221, 663
Divisors of 840 :
The positive integer divisors of 840 that completely divides 840 are.
1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840
Divisors of 385 :
The positive integer divisors of 385 that completely divides 385 are.
1, 5, 7, 11, 35, 55, 77, 385
GCD of numbers is the greatest common divisor
So, the GCD (663, 840, 385) = 1.
Given numbers are 663, 840, 385
The list of prime factors of all numbers are
Prime factors of 663 are 3 x 13 x 17
Prime factors of 840 are 2 x 2 x 2 x 3 x 5 x 7
Prime factors of 385 are 5 x 7 x 11
The above numbers do not have any common prime factor. So GCD is 1
Steps to Calculate GCD of 663, 840, 385 using LCM Formula
Given numbers are 663, 840, 385
GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)
Apply this formula for all numbers.
Step1:
LCM(663, 840) = 185640
GCD(663, 840) = ( 663 x 840 ) / 185640
= 663 / 840
= 663
Step2:
LCM(3, 385) = 1155
GCD(3, 385) = ( 3 x 385 ) / 1155
= 3 / 385
= 3
So, Greatest Common Divisor of 663, 840, 385 is 1
GCD of Numbers Calculation Examples
Here are some samples of GCD of Numbers calculations.
Greatest Common Divisor of 663, 840, 385
Given numbers are 663, 840, 385
The greatest common divisor of numbers 663, 840, 385 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 663, 840, 385 is 1.
FAQs on GCD of 663, 840, 385 Calculator
1. What is the GCD of 663, 840, 385?
GCD of given numbers 663, 840, 385 is 1
2. How to calculate the greatest common divisor of 663, 840, 385?
We can find the highest common divisor of 663, 840, 385 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 663, 840, 385 i.e 1.
3. How can I use the GCD of 663, 840, 385Calculator?
Out the numbers 663, 840, 385 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.