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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 892,210,853 ?

Given numbers are 892,210,853

We can find the LCD of numbers 892,210,853 by the prime factorization method or by applying the LCD formula.

The LCD of 892,210,853 is 79891980.


Method to Find Least Common Denominator of 892,210,853 with Prime Factorization

2 892, 210, 853
446, 105, 853

As you can see, now we have to multiply the prime numbers on the left side with the co-primes at the bottom.
2 x 446 x 105 x 853 = 79891980

Thus, we have determined that the LCD of 892,210,853 is 79891980

LCD Formula to Find LCD of 892,210,853

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


Step1:

Find the GCF of 892 and 210. To find the GCF, list down the factors of 892 and 210 and select the highest factor that appears in both lists of factors.

892 : [1, 2, 4, 223, 446, 892]

210 : [1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210]

From this, we can see that the GCF of 892 and 210 is 2.

Now, put this into the LCD formula.

LCD(892, 210) = ( 892 x 210 ) / 2

LCD(892, 210) = 187320 / 2

LCD(892, 210) = 93660


Step2:

Find the GCF of 93660 and 853. To find the GCF, list down the factors of 93660 and 853 and select the highest factor that appears in both lists of factors.

93660 : [1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 223, 420, 446, 669, 892, 1115, 1338, 1561, 2230, 2676, 3122, 3345, 4460, 4683, 6244, 6690, 7805, 9366, 13380, 15610, 18732, 23415, 31220, 46830, 93660]

853 : [1, 853]

From this, we can see that the GCF of 93660 and 853 is 1.

Now, put this into the LCD formula.

LCD(93660, 853) = ( 93660 x 853 ) / 1

LCD(93660, 853) = 79891980 / 1

LCD(93660, 853) = 79891980

LCD of 892,210,853 is 79891980

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 .