GCD of 128, 361, 33, 815 Calculator

Given Input numbers are 128, 361, 33, 815

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

Divisors of 128

List of positive integer divisors of 128 that divides 128 without a remainder.

1, 2, 4, 8, 16, 32, 64, 128

Divisors of 361

List of positive integer divisors of 361 that divides 361 without a remainder.

1, 19, 361

Divisors of 33

List of positive integer divisors of 33 that divides 33 without a remainder.

1, 3, 11, 33

Divisors of 815

List of positive integer divisors of 815 that divides 815 without a remainder.

1, 5, 163, 815

Greatest Common Divisior

We found the divisors of 128, 361, 33, 815 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 128, 361, 33, 815 is 1.

Therefore, GCD of numbers 128, 361, 33, 815 is 1

Given Input Data is 128, 361, 33, 815

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

Prime Factorization of 128 is 2 x 2 x 2 x 2 x 2 x 2 x 2

Prime Factorization of 361 is 19 x 19

Prime Factorization of 33 is 3 x 11

Prime Factorization of 815 is 5 x 163

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(128, 361) = 46208

GCD(128, 361) = ( 128 x 361 ) / 46208

GCD(128, 361) = 46208 / 46208

GCD(128, 361) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 33

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

LCM(1, 33) = 33

GCD(1, 33) = ( 1 x 33 ) / 33

GCD(1, 33) = 33 / 33

GCD(1, 33) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 815

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

LCM(1, 815) = 815

GCD(1, 815) = ( 1 x 815 ) / 815

GCD(1, 815) = 815 / 815

GCD(1, 815) = 1

GCD of 128, 361, 33, 815 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 554, 473, 68, 223
• GCD of 105, 861, 80, 829
• GCD of 221, 730, 93, 715
• GCD of 562, 806, 40, 762
• GCD of 453, 830, 35, 209

1. What is the GCD of 128, 361, 33, 815?

GCD of 128, 361, 33, 815 is 1

2. Where do I get the detailed procedure to find GCD of 128, 361, 33, 815?

You can find a detailed procedure to find GCD of 128, 361, 33, 815 on our page.

3. How to find GCD of 128, 361, 33, 815 on a calculator?

You can find the GCD of 128, 361, 33, 815 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.