GCD of 339, 290, 39, 840 Calculator

Given Input numbers are 339, 290, 39, 840

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

Divisors of 339

List of positive integer divisors of 339 that divides 339 without a remainder.

1, 3, 113, 339

Divisors of 290

List of positive integer divisors of 290 that divides 290 without a remainder.

1, 2, 5, 10, 29, 58, 145, 290

Divisors of 39

List of positive integer divisors of 39 that divides 39 without a remainder.

1, 3, 13, 39

Divisors of 840

List of positive integer divisors of 840 that divides 840 without a remainder.

1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840

Greatest Common Divisior

We found the divisors of 339, 290, 39, 840 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 339, 290, 39, 840 is 1.

Therefore, GCD of numbers 339, 290, 39, 840 is 1

Given Input Data is 339, 290, 39, 840

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

Prime Factorization of 339 is 3 x 113

Prime Factorization of 290 is 2 x 5 x 29

Prime Factorization of 39 is 3 x 13

Prime Factorization of 840 is 2 x 2 x 2 x 3 x 5 x 7

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(339, 290) = 98310

GCD(339, 290) = ( 339 x 290 ) / 98310

GCD(339, 290) = 98310 / 98310

GCD(339, 290) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 39

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

LCM(1, 39) = 39

GCD(1, 39) = ( 1 x 39 ) / 39

GCD(1, 39) = 39 / 39

GCD(1, 39) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 840

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

LCM(1, 840) = 840

GCD(1, 840) = ( 1 x 840 ) / 840

GCD(1, 840) = 840 / 840

GCD(1, 840) = 1

GCD of 339, 290, 39, 840 is 1

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1. What is the GCD of 339, 290, 39, 840?

GCD of 339, 290, 39, 840 is 1

2. Where do I get the detailed procedure to find GCD of 339, 290, 39, 840?

You can find a detailed procedure to find GCD of 339, 290, 39, 840 on our page.

3. How to find GCD of 339, 290, 39, 840 on a calculator?

You can find the GCD of 339, 290, 39, 840 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.