GCD of 158, 641, 153, 665 Calculator

Given Input numbers are 158, 641, 153, 665

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

Divisors of 158

List of positive integer divisors of 158 that divides 158 without a remainder.

1, 2, 79, 158

Divisors of 641

List of positive integer divisors of 641 that divides 641 without a remainder.

1, 641

Divisors of 153

List of positive integer divisors of 153 that divides 153 without a remainder.

1, 3, 9, 17, 51, 153

Divisors of 665

List of positive integer divisors of 665 that divides 665 without a remainder.

1, 5, 7, 19, 35, 95, 133, 665

Greatest Common Divisior

We found the divisors of 158, 641, 153, 665 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 158, 641, 153, 665 is 1.

Therefore, GCD of numbers 158, 641, 153, 665 is 1

Given Input Data is 158, 641, 153, 665

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

Prime Factorization of 158 is 2 x 79

Prime Factorization of 641 is 641

Prime Factorization of 153 is 3 x 3 x 17

Prime Factorization of 665 is 5 x 7 x 19

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(158, 641) = 101278

GCD(158, 641) = ( 158 x 641 ) / 101278

GCD(158, 641) = 101278 / 101278

GCD(158, 641) = 1

Step2:

Here we consider the GCD from the above i.e. 1 as first number and the next as 153

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

LCM(1, 153) = 153

GCD(1, 153) = ( 1 x 153 ) / 153

GCD(1, 153) = 153 / 153

GCD(1, 153) = 1

Step3:

Here we consider the GCD from the above i.e. 1 as first number and the next as 665

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

LCM(1, 665) = 665

GCD(1, 665) = ( 1 x 665 ) / 665

GCD(1, 665) = 665 / 665

GCD(1, 665) = 1

GCD of 158, 641, 153, 665 is 1

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1. What is the GCD of 158, 641, 153, 665?

GCD of 158, 641, 153, 665 is 1

2. Where do I get the detailed procedure to find GCD of 158, 641, 153, 665?

You can find a detailed procedure to find GCD of 158, 641, 153, 665 on our page.

3. How to find GCD of 158, 641, 153, 665 on a calculator?

You can find the GCD of 158, 641, 153, 665 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.