GCD of 155, 115, 428, 740 Calculator

Given Input numbers are 155, 115, 428, 740

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

Divisors of 155

List of positive integer divisors of 155 that divides 155 without a remainder.

1, 5, 31, 155

Divisors of 115

List of positive integer divisors of 115 that divides 115 without a remainder.

1, 5, 23, 115

Divisors of 428

List of positive integer divisors of 428 that divides 428 without a remainder.

1, 2, 4, 107, 214, 428

Divisors of 740

List of positive integer divisors of 740 that divides 740 without a remainder.

1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740

Greatest Common Divisior

We found the divisors of 155, 115, 428, 740 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 155, 115, 428, 740 is 1.

Therefore, GCD of numbers 155, 115, 428, 740 is 1

Given Input Data is 155, 115, 428, 740

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

Prime Factorization of 155 is 5 x 31

Prime Factorization of 115 is 5 x 23

Prime Factorization of 428 is 2 x 2 x 107

Prime Factorization of 740 is 2 x 2 x 5 x 37

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(155, 115) = 3565

GCD(155, 115) = ( 155 x 115 ) / 3565

GCD(155, 115) = 17825 / 3565

GCD(155, 115) = 5

Step2:

Here we consider the GCD from the above i.e. 5 as first number and the next as 428

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

LCM(5, 428) = 2140

GCD(5, 428) = ( 5 x 428 ) / 2140

GCD(5, 428) = 2140 / 2140

GCD(5, 428) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 740

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

LCM(1, 740) = 740

GCD(1, 740) = ( 1 x 740 ) / 740

GCD(1, 740) = 740 / 740

GCD(1, 740) = 1

GCD of 155, 115, 428, 740 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 544, 859, 636, 698
• GCD of 457, 290, 751, 833
• GCD of 876, 457, 476, 755
• GCD of 596, 403, 455, 387
• GCD of 954, 440, 889, 768

1. What is the GCD of 155, 115, 428, 740?

GCD of 155, 115, 428, 740 is 1

2. Where do I get the detailed procedure to find GCD of 155, 115, 428, 740?

You can find a detailed procedure to find GCD of 155, 115, 428, 740 on our page.

3. How to find GCD of 155, 115, 428, 740 on a calculator?

You can find the GCD of 155, 115, 428, 740 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.