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GCD of 655, 153, 120 Calculator

Created By : Veerendra
Reviewed By : Phani Ponnapalli
Last Updated at : Mar 29,2023


Online GCD Calculator is useful to find the GCD of 655, 153, 120 quickly. Get the easiest ways to solve the greatest common divisor of 655, 153, 120 i.e 1 in different methods as follows.

GCD of

How to Find GCD of Numbers 655, 153, 120 with Factoring?

Given Input numbers are 655, 153, 120

In the factoring method, we have to find the divisors of all numbers

Divisors of 655 :

The positive integer divisors of 655 that completely divides 655 are.

1, 5, 131, 655

Divisors of 153 :

The positive integer divisors of 153 that completely divides 153 are.

1, 3, 9, 17, 51, 153

Divisors of 120 :

The positive integer divisors of 120 that completely divides 120 are.

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120


GCD of numbers is the greatest common divisor

So, the GCD (655, 153, 120) = 1.

Find GCD of 655, 153, 120 using Prime Factorization

Given numbers are 655, 153, 120

The list of prime factors of all numbers are

Prime factors of 655 are 5 x 131

Prime factors of 153 are 3 x 3 x 17

Prime factors of 120 are 2 x 2 x 2 x 3 x 5

The above numbers do not have any common prime factor. So GCD is 1

Steps to Calculate GCD of 655, 153, 120 using LCM Formula

Given numbers are 655, 153, 120

GCD of 2 numbers formula is GCD(a, b) = ( a x b) / LCM(a, b)

Apply this formula for all numbers.

Step1:

LCM(655, 153) = 100215

GCD(655, 153) = ( 655 x 153 ) / 100215

= 655 / 153

= 655


Step2:

LCM(1, 120) = 120

GCD(1, 120) = ( 1 x 120 ) / 120

= 1 / 120

= 1


So, Greatest Common Divisor of 655, 153, 120 is 1

GCD of Numbers Calculation Examples

Greatest Common Divisor of 655, 153, 120

Given numbers are 655, 153, 120
The greatest common divisor of numbers 655, 153, 120 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 655, 153, 120 is 1.

FAQs on GCD of 655, 153, 120 Calculator

1. What is the GCD of 655, 153, 120?

GCD of given numbers 655, 153, 120 is 1


2. How to calculate the greatest common divisor of 655, 153, 120?

We can find the highest common divisor of 655, 153, 120 easily using the prime factorization method. Just list the prime factors of all numbers and pick the highest common factor which is the GCD of 655, 153, 120 i.e 1.


3. How can I use the GCD of 655, 153, 120Calculator?

Out the numbers 655, 153, 120 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.