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LCM of 748, 989, 882, 645

Created By : Jatin Gogia
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023


Find the LCM of 748, 989, 882, 645 with the LCM of Two or More Numbers Calculator. Here we are teaching you two different methods through which you can calculate the LCM of 748, 989, 882, 645. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 748,989,882,645

Given numbers are 748,989,882,645

The least common multiple of numbers can be find using the prime factorization method or LCM formula.

The LCM of 748,989,882,645 is 1631197260.

Find LCM of 748,989,882,645 with Prime Factorization


2 748, 989, 882, 645
3 374, 989, 441, 645
43 374, 989, 147, 215
374, 23, 147, 5

Multiply the prime numbers at the bottom and the left side.

2 x 3 x 43 x 374 x 23 x 147 x 5 = 1631197260

Therefore, the lowest common multiple of 748,989,882,645 is 1631197260.

LCM Formula to Find Lowest Common Multiple of 748,989,882,645

LCM formula is LCM(a1, a2, an) = (a1 x a2 x an)/{GCF(a1 x a2 x an) x common factors}

Firstly, we have to find the product of all the numbers.

748 x 989 x 882 x 645 = 420848893080

Then, let us find the GCF of these five numbers. To do so, we have to list down the factors for each number and choose the highest factor that is in all of the lists.

748 : 1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 748

989 : 1, 23, 43, 989

882 : 1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882

645 : 1, 3, 5, 15, 43, 129, 215, 645

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 748,989,882,645, is 1.

Now, the common factors can be found like this.

748:2x 2x 11x 17

989:23x 43

882:2x 3x 3x 7x 7

645:3x 5x 43

From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.

2x 3x 43 = 258

Therefore, the value for common factors is 258.

Now that we have all the elements of the formula, we can plug them in to calculate the LCM.

LCM(a1, a2, an) = (a1 x a2 x an)/{GCF(a1 x a2 x an) x common factors}

LCM = 420848893080/(1x258)

LCM = 420848893080/258

LCM = 1631197260

Thus, we can understand that the LCM of 748,989,882,645 is 1631197260.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 748, 989, 882, 645

1. What is the LCM of 748, 989, 882, 645?

Answer: LCM of 748, 989, 882, 645 is 1631197260.

2. How to calculate the LCM of 748, 989, 882, 645?

The LCM can be found using two methods. You can either use the LCM formula or the prime factorization method to calculate the LCM of 748, 989, 882, 645.

3. What is the LCM formula?

The LCM formula is LCM(a1, a2, an) = (a1 x a2 x an)/{GCF(a1 x a2 x an) x common factors}.