GCD of 869, 840, 152, 385 Calculator

Given Input numbers are 869, 840, 152, 385

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

Divisors of 869

List of positive integer divisors of 869 that divides 869 without a remainder.

1, 11, 79, 869

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

Divisors of 152

List of positive integer divisors of 152 that divides 152 without a remainder.

1, 2, 4, 8, 19, 38, 76, 152

Divisors of 385

List of positive integer divisors of 385 that divides 385 without a remainder.

1, 5, 7, 11, 35, 55, 77, 385

Greatest Common Divisior

We found the divisors of 869, 840, 152, 385 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 869, 840, 152, 385 is 1.

Therefore, GCD of numbers 869, 840, 152, 385 is 1

Given Input Data is 869, 840, 152, 385

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

Prime Factorization of 869 is 11 x 79

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

Prime Factorization of 152 is 2 x 2 x 2 x 19

Prime Factorization of 385 is 5 x 7 x 11

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(869, 840) = 729960

GCD(869, 840) = ( 869 x 840 ) / 729960

GCD(869, 840) = 729960 / 729960

GCD(869, 840) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 152

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

LCM(1, 152) = 152

GCD(1, 152) = ( 1 x 152 ) / 152

GCD(1, 152) = 152 / 152

GCD(1, 152) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 385

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

LCM(1, 385) = 385

GCD(1, 385) = ( 1 x 385 ) / 385

GCD(1, 385) = 385 / 385

GCD(1, 385) = 1

GCD of 869, 840, 152, 385 is 1

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1. What is the GCD of 869, 840, 152, 385?

GCD of 869, 840, 152, 385 is 1

2. Where do I get the detailed procedure to find GCD of 869, 840, 152, 385?

You can find a detailed procedure to find GCD of 869, 840, 152, 385 on our page.

3. How to find GCD of 869, 840, 152, 385 on a calculator?

You can find the GCD of 869, 840, 152, 385 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.