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LCD of Calculator

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


Read this article to figure out how to calculate the lowest common denominator of . Learn the two different methods that you can use to find the LCD: the prime factorization method and the LCD formula method. We will explain both these methods in detail so stick around until the very end to understand. Utilise our free LCD Calculator to avail the LCD of numbers easily.

 

LCD of

How to Find LCD of 303,315,810 ?

Given numbers are 303,315,810

We can find the LCD of numbers 303,315,810 by the prime factorization method or by applying the LCD formula.

The LCD of 303,315,810 is 572670.


Method to Find Least Common Denominator of 303,315,810 with Prime Factorization

3 303, 315, 810
3 101, 105, 270
5 101, 35, 90
101, 7, 18

As you can see, now we have to multiply the prime numbers on the left side with the co-primes at the bottom.
3 x 3 x 5 x 101 x 7 x 18 = 572670

Thus, we have determined that the LCD of 303,315,810 is 572670

LCD Formula to Find LCD of 303,315,810

The LCD formula is LCD(a,b) = ( a x b) / GCF(a,b)


Step1:

Find the GCF of 303 and 315. To find the GCF, list down the factors of 303 and 315 and select the highest factor that appears in both lists of factors.

303 : [1, 3, 101, 303]

315 : [1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315]

From this, we can see that the GCF of 303 and 315 is 3.

Now, put this into the LCD formula.

LCD(303, 315) = ( 303 x 315 ) / 3

LCD(303, 315) = 95445 / 3

LCD(303, 315) = 31815


Step2:

Find the GCF of 31815 and 810. To find the GCF, list down the factors of 31815 and 810 and select the highest factor that appears in both lists of factors.

31815 : [1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 101, 105, 303, 315, 505, 707, 909, 1515, 2121, 3535, 4545, 6363, 10605, 31815]

810 : [1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810]

From this, we can see that the GCF of 31815 and 810 is 45.

Now, put this into the LCD formula.

LCD(31815, 810) = ( 31815 x 810 ) / 45

LCD(31815, 810) = 25770150 / 45

LCD(31815, 810) = 572670

LCD of 303,315,810 is 572670

LCD of Numbers Calculation Examples

Frequently Asked Questions on LCD of

1. What is the LCD of ?

Answer: LCD of is .

2. How to find LCD of using prime factorization ?

Answer: Just keep dividing by prime numbers until only co-primes are left over. At that point, simply multiply the co-primes with the prime numbers on the left. The answer will be , the LCD.

3. How to Find the LCD of using LCD formula ?

Answer: The LCD formula is LCD(a,b) = ( a x b) / GCF(a,b).

You must first calculate the LCD OF and . Then, find the LCD of that answer and and so on. The answer will be , which is the LCD of .