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GCD of 651, 621, 450 Calculator

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


Online GCD Calculator is useful to find the GCD of 651, 621, 450 quickly. Get the easiest ways to solve the greatest common divisor of 651, 621, 450 i.e 3 in different methods as follows.

GCD of

How to Find GCD of Numbers 651, 621, 450 with Factoring?

Given Input numbers are 651, 621, 450

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

Divisors of 651 :

The positive integer divisors of 651 that completely divides 651 are.

1, 3, 7, 21, 31, 93, 217, 651

Divisors of 621 :

The positive integer divisors of 621 that completely divides 621 are.

1, 3, 9, 23, 27, 69, 207, 621

Divisors of 450 :

The positive integer divisors of 450 that completely divides 450 are.

1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 225, 450


GCD of numbers is the greatest common divisor

So, the GCD (651, 621, 450) = 3.

Find GCD of 651, 621, 450 using Prime Factorization

Given numbers are 651, 621, 450

The list of prime factors of all numbers are

Prime factors of 651 are 3 x 7 x 31

Prime factors of 621 are 3 x 3 x 3 x 23

Prime factors of 450 are 2 x 3 x 3 x 5 x 5

The highest common occurrence is 31

Therefore, GCD of 651, 621, 450 is 3.

Steps to Calculate GCD of 651, 621, 450 using LCM Formula

Given numbers are 651, 621, 450

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

Apply this formula for all numbers.

Step1:

LCM(651, 621) = 134757

GCD(651, 621) = ( 651 x 621 ) / 134757

= 651 / 621

= 651


Step2:

LCM(3, 450) = 450

GCD(3, 450) = ( 3 x 450 ) / 450

= 3 / 450

= 3


So, Greatest Common Divisor of 651, 621, 450 is 3

GCD of Numbers Calculation Examples

Greatest Common Divisor of 651, 621, 450

Given numbers are 651, 621, 450
The greatest common divisor of numbers 651, 621, 450 can be found in various methods such as the LCM formula, factoring, and prime factorization. The GCD of numbers 651, 621, 450 is 3.

FAQs on GCD of 651, 621, 450 Calculator

1. What is the GCD of 651, 621, 450?

GCD of given numbers 651, 621, 450 is 3


2. How to calculate the greatest common divisor of 651, 621, 450?

We can find the highest common divisor of 651, 621, 450 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 651, 621, 450 i.e 3.


3. How can I use the GCD of 651, 621, 450Calculator?

Out the numbers 651, 621, 450 into the GCD calculator and hit the calculate button to get the greatest common divisor as result.