GCD of 281, 665, 66, 143 Calculator

Given Input numbers are 281, 665, 66, 143

To find the GCD of numbers using factoring list out all the divisors of each number

Divisors of 281

List of positive integer divisors of 281 that divides 281 without a remainder.

1, 281

Divisors of 665

List of positive integer divisors of 665 that divides 665 without a remainder.

1, 5, 7, 19, 35, 95, 133, 665

Divisors of 66

List of positive integer divisors of 66 that divides 66 without a remainder.

1, 2, 3, 6, 11, 22, 33, 66

Divisors of 143

List of positive integer divisors of 143 that divides 143 without a remainder.

1, 11, 13, 143

Greatest Common Divisior

We found the divisors of 281, 665, 66, 143 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 281, 665, 66, 143 is 1.

Therefore, GCD of numbers 281, 665, 66, 143 is 1

Given Input Data is 281, 665, 66, 143

Make a list of Prime Factors of all the given numbers initially

Prime Factorization of 281 is 281

Prime Factorization of 665 is 5 x 7 x 19

Prime Factorization of 66 is 2 x 3 x 11

Prime Factorization of 143 is 11 x 13

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

Step1:

Let's calculate the GCD of first two numbers

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

LCM(281, 665) = 186865

GCD(281, 665) = ( 281 x 665 ) / 186865

GCD(281, 665) = 186865 / 186865

GCD(281, 665) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 66

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

LCM(1, 66) = 66

GCD(1, 66) = ( 1 x 66 ) / 66

GCD(1, 66) = 66 / 66

GCD(1, 66) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 143

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

LCM(1, 143) = 143

GCD(1, 143) = ( 1 x 143 ) / 143

GCD(1, 143) = 143 / 143

GCD(1, 143) = 1

GCD of 281, 665, 66, 143 is 1

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1. What is the GCD of 281, 665, 66, 143?

GCD of 281, 665, 66, 143 is 1

2. Where do I get the detailed procedure to find GCD of 281, 665, 66, 143?

You can find a detailed procedure to find GCD of 281, 665, 66, 143 on our page.

3. How to find GCD of 281, 665, 66, 143 on a calculator?

You can find the GCD of 281, 665, 66, 143 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.