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 642, 297, 143 Calculator

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


Online GCD Calculator is useful to find the GCD of 642, 297, 143 quickly. Get the easiest ways to solve the greatest common divisor of 642, 297, 143 i.e 1 in different methods as follows.

GCD of

How to Find GCD of Numbers 642, 297, 143 with Factoring?

Given Input numbers are 642, 297, 143

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

Divisors of 642 :

The positive integer divisors of 642 that completely divides 642 are.

1, 2, 3, 6, 107, 214, 321, 642

Divisors of 297 :

The positive integer divisors of 297 that completely divides 297 are.

1, 3, 9, 11, 27, 33, 99, 297

Divisors of 143 :

The positive integer divisors of 143 that completely divides 143 are.

1, 11, 13, 143


GCD of numbers is the greatest common divisor

So, the GCD (642, 297, 143) = 1.

Find GCD of 642, 297, 143 using Prime Factorization

Given numbers are 642, 297, 143

The list of prime factors of all numbers are

Prime factors of 642 are 2 x 3 x 107

Prime factors of 297 are 3 x 3 x 3 x 11

Prime factors of 143 are 11 x 13

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

Steps to Calculate GCD of 642, 297, 143 using LCM Formula

Given numbers are 642, 297, 143

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

Apply this formula for all numbers.

Step1:

LCM(642, 297) = 63558

GCD(642, 297) = ( 642 x 297 ) / 63558

= 642 / 297

= 642


Step2:

LCM(3, 143) = 429

GCD(3, 143) = ( 3 x 143 ) / 429

= 3 / 143

= 3


So, Greatest Common Divisor of 642, 297, 143 is 1

GCD of Numbers Calculation Examples

Greatest Common Divisor of 642, 297, 143

Given numbers are 642, 297, 143
The greatest common divisor of numbers 642, 297, 143 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 642, 297, 143 is 1.

FAQs on GCD of 642, 297, 143 Calculator

1. What is the GCD of 642, 297, 143?

GCD of given numbers 642, 297, 143 is 1


2. How to calculate the greatest common divisor of 642, 297, 143?

We can find the highest common divisor of 642, 297, 143 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 642, 297, 143 i.e 1.


3. How can I use the GCD of 642, 297, 143Calculator?

Out the numbers 642, 297, 143 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.