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LCM of 749, 245, 440, 397

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


Find the LCM of 749, 245, 440, 397 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 749, 245, 440, 397. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 749,245,440,397

Given numbers are 749,245,440,397

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

The LCM of 749,245,440,397 is 915847240.

Find LCM of 749,245,440,397 with Prime Factorization


5 749, 245, 440, 397
7 749, 49, 88, 397
107, 7, 88, 397

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

5 x 7 x 107 x 7 x 88 x 397 = 915847240

Therefore, the lowest common multiple of 749,245,440,397 is 915847240.

LCM Formula to Find Lowest Common Multiple of 749,245,440,397

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.

749 x 245 x 440 x 397 = 32054653400

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.

749 : 1, 7, 107, 749

245 : 1, 5, 7, 35, 49, 245

440 : 1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440

397 : 1, 397

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 749,245,440,397, is 1.

Now, the common factors can be found like this.

749:7x 107

245:5x 7x 7

440:2x 2x 2x 5x 11

397:397

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

5x 7 = 35

Therefore, the value for common factors is 35.

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 = 32054653400/(1x35)

LCM = 32054653400/35

LCM = 915847240

Thus, we can understand that the LCM of 749,245,440,397 is 915847240.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 749, 245, 440, 397

1. What is the LCM of 749, 245, 440, 397?

Answer: LCM of 749, 245, 440, 397 is 915847240.

2. How to calculate the LCM of 749, 245, 440, 397?

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 749, 245, 440, 397.

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}.