GCD of 23, 859, 248, 840 Calculator

Given Input numbers are 23, 859, 248, 840

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

Divisors of 23

List of positive integer divisors of 23 that divides 23 without a remainder.

1, 23

Divisors of 859

List of positive integer divisors of 859 that divides 859 without a remainder.

1, 859

Divisors of 248

List of positive integer divisors of 248 that divides 248 without a remainder.

1, 2, 4, 8, 31, 62, 124, 248

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 23, 859, 248, 840 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 23, 859, 248, 840 is 1.

Therefore, GCD of numbers 23, 859, 248, 840 is 1

Given Input Data is 23, 859, 248, 840

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

Prime Factorization of 23 is 23

Prime Factorization of 859 is 859

Prime Factorization of 248 is 2 x 2 x 2 x 31

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(23, 859) = 19757

GCD(23, 859) = ( 23 x 859 ) / 19757

GCD(23, 859) = 19757 / 19757

GCD(23, 859) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 248

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

LCM(1, 248) = 248

GCD(1, 248) = ( 1 x 248 ) / 248

GCD(1, 248) = 248 / 248

GCD(1, 248) = 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 23, 859, 248, 840 is 1

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1. What is the GCD of 23, 859, 248, 840?

GCD of 23, 859, 248, 840 is 1

2. Where do I get the detailed procedure to find GCD of 23, 859, 248, 840?

You can find a detailed procedure to find GCD of 23, 859, 248, 840 on our page.

3. How to find GCD of 23, 859, 248, 840 on a calculator?

You can find the GCD of 23, 859, 248, 840 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.