GCD of 121, 170, 153, 495 Calculator

Given Input numbers are 121, 170, 153, 495

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

Divisors of 121

List of positive integer divisors of 121 that divides 121 without a remainder.

1, 11, 121

Divisors of 170

List of positive integer divisors of 170 that divides 170 without a remainder.

1, 2, 5, 10, 17, 34, 85, 170

Divisors of 153

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

1, 3, 9, 17, 51, 153

Divisors of 495

List of positive integer divisors of 495 that divides 495 without a remainder.

1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495

Greatest Common Divisior

We found the divisors of 121, 170, 153, 495 . The biggest common divisior number is the GCD number.
So the Greatest Common Divisior 121, 170, 153, 495 is 1.

Therefore, GCD of numbers 121, 170, 153, 495 is 1

Given Input Data is 121, 170, 153, 495

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

Prime Factorization of 121 is 11 x 11

Prime Factorization of 170 is 2 x 5 x 17

Prime Factorization of 153 is 3 x 3 x 17

Prime Factorization of 495 is 3 x 3 x 5 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(121, 170) = 20570

GCD(121, 170) = ( 121 x 170 ) / 20570

GCD(121, 170) = 20570 / 20570

GCD(121, 170) = 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 495

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

LCM(1, 495) = 495

GCD(1, 495) = ( 1 x 495 ) / 495

GCD(1, 495) = 495 / 495

GCD(1, 495) = 1

GCD of 121, 170, 153, 495 is 1

Here are some samples of GCD of Numbers calculations.

• GCD of 982, 102, 390, 547
• GCD of 496, 114, 748, 637
• GCD of 753, 677, 805, 850
• GCD of 777, 412, 464, 967
• GCD of 115, 327, 271, 955

1. What is the GCD of 121, 170, 153, 495?

GCD of 121, 170, 153, 495 is 1

2. Where do I get the detailed procedure to find GCD of 121, 170, 153, 495?

You can find a detailed procedure to find GCD of 121, 170, 153, 495 on our page.

3. How to find GCD of 121, 170, 153, 495 on a calculator?

You can find the GCD of 121, 170, 153, 495 by simply giving the inputs separated by commas and click on the calculate button to avail the Greatest Common Divisor in less time.