LCM of 3 Numbers Calculator LCM of 4 Numbers Calculator LCM of 5 Numbers Calculator LCD Calculator How to find LCM LCM and HCF Questions Least Common Denominator Calculator Greatest Common Divisor Calculator HCF Calculator HCF of 3 Numbers Calculator HCF of 4 Numbers Calculator GCD Calculator Greatest Common Factor Calculator Least Common Multiple Calculator Common Factors Calculator

GCD of 897, 309, 644 Calculator

Created By : Veerendra
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023


Online GCD Calculator is useful to find the GCD of 897, 309, 644 quickly. Get the easiest ways to solve the greatest common divisor of 897, 309, 644 i.e 1 in different methods as follows.

GCD of

How to Find GCD of Numbers 897, 309, 644 with Factoring?

Given Input numbers are 897, 309, 644

In the factoring method, we have to find the divisors of all numbers

Divisors of 897 :

The positive integer divisors of 897 that completely divides 897 are.

1, 3, 13, 23, 39, 69, 299, 897

Divisors of 309 :

The positive integer divisors of 309 that completely divides 309 are.

1, 3, 103, 309

Divisors of 644 :

The positive integer divisors of 644 that completely divides 644 are.

1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644


GCD of numbers is the greatest common divisor

So, the GCD (897, 309, 644) = 1.

Find GCD of 897, 309, 644 using Prime Factorization

Given numbers are 897, 309, 644

The list of prime factors of all numbers are

Prime factors of 897 are 3 x 13 x 23

Prime factors of 309 are 3 x 103

Prime factors of 644 are 2 x 2 x 7 x 23

The above numbers do not have any common prime factor. So GCD is 1

Steps to Calculate GCD of 897, 309, 644 using LCM Formula

Given numbers are 897, 309, 644

GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)

Apply this formula for all numbers.

Step1:

LCM(897, 309) = 92391

GCD(897, 309) = ( 897 x 309 ) / 92391

= 897 / 309

= 897


Step2:

LCM(3, 644) = 1932

GCD(3, 644) = ( 3 x 644 ) / 1932

= 3 / 644

= 3


So, Greatest Common Divisor of 897, 309, 644 is 1

GCD of Numbers Calculation Examples

Greatest Common Divisor of 897, 309, 644

Given numbers are 897, 309, 644
The greatest common divisor of numbers 897, 309, 644 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 897, 309, 644 is 1.

FAQs on GCD of 897, 309, 644 Calculator

1. What is the GCD of 897, 309, 644?

GCD of given numbers 897, 309, 644 is 1


2. How to calculate the greatest common divisor of 897, 309, 644?

We can find the highest common divisor of 897, 309, 644 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 897, 309, 644 i.e 1.


3. How can I use the GCD of 897, 309, 644Calculator?

Out the numbers 897, 309, 644 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.