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GCD of 721, 628, 139 Calculator

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


Online GCD Calculator is useful to find the GCD of 721, 628, 139 quickly. Get the easiest ways to solve the greatest common divisor of 721, 628, 139 i.e 1 in different methods as follows.

GCD of

How to Find GCD of Numbers 721, 628, 139 with Factoring?

Given Input numbers are 721, 628, 139

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

Divisors of 721 :

The positive integer divisors of 721 that completely divides 721 are.

1, 7, 103, 721

Divisors of 628 :

The positive integer divisors of 628 that completely divides 628 are.

1, 2, 4, 157, 314, 628

Divisors of 139 :

The positive integer divisors of 139 that completely divides 139 are.

1, 139


GCD of numbers is the greatest common divisor

So, the GCD (721, 628, 139) = 1.

Find GCD of 721, 628, 139 using Prime Factorization

Given numbers are 721, 628, 139

The list of prime factors of all numbers are

Prime factors of 721 are 7 x 103

Prime factors of 628 are 2 x 2 x 157

Prime factors of 139 are 139

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

Steps to Calculate GCD of 721, 628, 139 using LCM Formula

Given numbers are 721, 628, 139

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

Apply this formula for all numbers.

Step1:

LCM(721, 628) = 452788

GCD(721, 628) = ( 721 x 628 ) / 452788

= 721 / 628

= 721


Step2:

LCM(1, 139) = 139

GCD(1, 139) = ( 1 x 139 ) / 139

= 1 / 139

= 1


So, Greatest Common Divisor of 721, 628, 139 is 1

GCD of Numbers Calculation Examples

Greatest Common Divisor of 721, 628, 139

Given numbers are 721, 628, 139
The greatest common divisor of numbers 721, 628, 139 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 721, 628, 139 is 1.

FAQs on GCD of 721, 628, 139 Calculator

1. What is the GCD of 721, 628, 139?

GCD of given numbers 721, 628, 139 is 1


2. How to calculate the greatest common divisor of 721, 628, 139?

We can find the highest common divisor of 721, 628, 139 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 721, 628, 139 i.e 1.


3. How can I use the GCD of 721, 628, 139Calculator?

Out the numbers 721, 628, 139 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.