Where do I get the detailed procedure to find GCD of 643, 142, 397?

You can find a detailed procedure to find GCD of 643, 142, 397 on our page.

How to find GCD of 643, 142, 397 on a calculator?

You can find the GCD of 643, 142, 397 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.

GCD of 643, 142, 397 Calculator

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

Online GCD Calculator is useful to find the GCD of 643, 142, 397 quickly. Get the easiest ways to solve the greatest common divisor of 643, 142, 397 i.e 1 in different methods as follows.

How to Find GCD of Numbers 643, 142, 397 with Factoring?

Given Input numbers are 643, 142, 397

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

Divisors of 643 :

The positive integer divisors of 643 that completely divides 643 are.

1, 643

Divisors of 142 :

The positive integer divisors of 142 that completely divides 142 are.

1, 2, 71, 142

Divisors of 397 :

The positive integer divisors of 397 that completely divides 397 are.

1, 397

GCD of numbers is the greatest common divisor

So, the GCD (643, 142, 397) = 1.

Find GCD of 643, 142, 397 using Prime Factorization

Given numbers are 643, 142, 397

The list of prime factors of all numbers are

Prime factors of 643 are 643

Prime factors of 142 are 2 x 71

Prime factors of 397 are 397

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

Steps to Calculate GCD of 643, 142, 397 using LCM Formula

Given numbers are 643, 142, 397

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

Apply this formula for all numbers.

Step1:

LCM(643, 142) = 91306

GCD(643, 142) = ( 643 x 142 ) / 91306

= 643 / 142

= 643

Step2:

LCM(1, 397) = 397

GCD(1, 397) = ( 1 x 397 ) / 397

= 1 / 397

= 1

So, Greatest Common Divisor of 643, 142, 397 is 1

GCD of Numbers Calculation Examples

Here are some samples of GCD of Numbers calculations.

Greatest Common Divisor of 643, 142, 397

Given numbers are 643, 142, 397
The greatest common divisor of numbers 643, 142, 397 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 643, 142, 397 is 1.

FAQs on GCD of 643, 142, 397 Calculator

1. What is the GCD of 643, 142, 397?

GCD of given numbers 643, 142, 397 is 1

2. How to calculate the greatest common divisor of 643, 142, 397?

We can find the highest common divisor of 643, 142, 397 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 643, 142, 397 i.e 1.

3. How can I use the GCD of 643, 142, 397Calculator?

Out the numbers 643, 142, 397 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.