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GCD of 660, 221, 188 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, 221, 188 quickly. Get the easiest ways to solve the greatest common divisor of 660, 221, 188 i.e 1 in different methods as follows.

GCD of

How to Find GCD of Numbers 660, 221, 188 with Factoring?

Given Input numbers are 660, 221, 188

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 221 :

The positive integer divisors of 221 that completely divides 221 are.

1, 13, 17, 221

Divisors of 188 :

The positive integer divisors of 188 that completely divides 188 are.

1, 2, 4, 47, 94, 188


GCD of numbers is the greatest common divisor

So, the GCD (660, 221, 188) = 1.

Find GCD of 660, 221, 188 using Prime Factorization

Given numbers are 660, 221, 188

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 221 are 13 x 17

Prime factors of 188 are 2 x 2 x 47

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

Steps to Calculate GCD of 660, 221, 188 using LCM Formula

Given numbers are 660, 221, 188

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

Apply this formula for all numbers.

Step1:

LCM(660, 221) = 145860

GCD(660, 221) = ( 660 x 221 ) / 145860

= 660 / 221

= 660


Step2:

LCM(1, 188) = 188

GCD(1, 188) = ( 1 x 188 ) / 188

= 1 / 188

= 1


So, Greatest Common Divisor of 660, 221, 188 is 1

GCD of Numbers Calculation Examples

Greatest Common Divisor of 660, 221, 188

Given numbers are 660, 221, 188
The greatest common divisor of numbers 660, 221, 188 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 660, 221, 188 is 1.

FAQs on GCD of 660, 221, 188 Calculator

1. What is the GCD of 660, 221, 188?

GCD of given numbers 660, 221, 188 is 1


2. How to calculate the greatest common divisor of 660, 221, 188?

We can find the highest common divisor of 660, 221, 188 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, 221, 188 i.e 1.


3. How can I use the GCD of 660, 221, 188Calculator?

Out the numbers 660, 221, 188 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.