GCD of 399, 659, 80, 432 Calculator

Given Input numbers are 399, 659, 80, 432

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

Divisors of 399

List of positive integer divisors of 399 that divides 399 without a remainder.

1, 3, 7, 19, 21, 57, 133, 399

Divisors of 659

List of positive integer divisors of 659 that divides 659 without a remainder.

1, 659

Divisors of 80

List of positive integer divisors of 80 that divides 80 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 40, 80

Divisors of 432

List of positive integer divisors of 432 that divides 432 without a remainder.

1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432

Greatest Common Divisior

We found the divisors of 399, 659, 80, 432 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 399, 659, 80, 432 is 1.

Therefore, GCD of numbers 399, 659, 80, 432 is 1

Given Input Data is 399, 659, 80, 432

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

Prime Factorization of 399 is 3 x 7 x 19

Prime Factorization of 659 is 659

Prime Factorization of 80 is 2 x 2 x 2 x 2 x 5

Prime Factorization of 432 is 2 x 2 x 2 x 2 x 3 x 3 x 3

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(399, 659) = 262941

GCD(399, 659) = ( 399 x 659 ) / 262941

GCD(399, 659) = 262941 / 262941

GCD(399, 659) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 80

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

LCM(1, 80) = 80

GCD(1, 80) = ( 1 x 80 ) / 80

GCD(1, 80) = 80 / 80

GCD(1, 80) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 432

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

LCM(1, 432) = 432

GCD(1, 432) = ( 1 x 432 ) / 432

GCD(1, 432) = 432 / 432

GCD(1, 432) = 1

GCD of 399, 659, 80, 432 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 420, 736, 42, 963
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• GCD of 582, 623, 23, 568
• GCD of 542, 568, 43, 989
• GCD of 149, 628, 71, 283

1. What is the GCD of 399, 659, 80, 432?

GCD of 399, 659, 80, 432 is 1

2. Where do I get the detailed procedure to find GCD of 399, 659, 80, 432?

You can find a detailed procedure to find GCD of 399, 659, 80, 432 on our page.

3. How to find GCD of 399, 659, 80, 432 on a calculator?

You can find the GCD of 399, 659, 80, 432 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.