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GCD of 660, 388, 247 Calculator

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


Online GCD Calculator is useful to find the GCD of 660, 388, 247 quickly. Get the easiest ways to solve the greatest common divisor of 660, 388, 247 i.e 1 in different methods as follows.

GCD of

How to Find GCD of Numbers 660, 388, 247 with Factoring?

Given Input numbers are 660, 388, 247

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

Divisors of 660 :

The positive integer divisors of 660 that completely divides 660 are.

1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660

Divisors of 388 :

The positive integer divisors of 388 that completely divides 388 are.

1, 2, 4, 97, 194, 388

Divisors of 247 :

The positive integer divisors of 247 that completely divides 247 are.

1, 13, 19, 247


GCD of numbers is the greatest common divisor

So, the GCD (660, 388, 247) = 1.

Find GCD of 660, 388, 247 using Prime Factorization

Given numbers are 660, 388, 247

The list of prime factors of all numbers are

Prime factors of 660 are 2 x 2 x 3 x 5 x 11

Prime factors of 388 are 2 x 2 x 97

Prime factors of 247 are 13 x 19

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

Steps to Calculate GCD of 660, 388, 247 using LCM Formula

Given numbers are 660, 388, 247

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

Apply this formula for all numbers.

Step1:

LCM(660, 388) = 64020

GCD(660, 388) = ( 660 x 388 ) / 64020

= 660 / 388

= 660


Step2:

LCM(4, 247) = 988

GCD(4, 247) = ( 4 x 247 ) / 988

= 4 / 247

= 4


So, Greatest Common Divisor of 660, 388, 247 is 1

GCD of Numbers Calculation Examples

Greatest Common Divisor of 660, 388, 247

Given numbers are 660, 388, 247
The greatest common divisor of numbers 660, 388, 247 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 660, 388, 247 is 1.

FAQs on GCD of 660, 388, 247 Calculator

1. What is the GCD of 660, 388, 247?

GCD of given numbers 660, 388, 247 is 1


2. How to calculate the greatest common divisor of 660, 388, 247?

We can find the highest common divisor of 660, 388, 247 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 660, 388, 247 i.e 1.


3. How can I use the GCD of 660, 388, 247Calculator?

Out the numbers 660, 388, 247 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.