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LCM of 398, 307, 678, 688

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


Find the LCM of 398, 307, 678, 688 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 398, 307, 678, 688. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 398,307,678,688

Given numbers are 398,307,678,688

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

The LCM of 398,307,678,688 is 14248842576.

Find LCM of 398,307,678,688 with Prime Factorization


2 398, 307, 678, 688
199, 307, 339, 344

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

2 x 199 x 307 x 339 x 344 = 14248842576

Therefore, the lowest common multiple of 398,307,678,688 is 14248842576.

LCM Formula to Find Lowest Common Multiple of 398,307,678,688

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.

398 x 307 x 678 x 688 = 56995370304

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.

398 : 1, 2, 199, 398

307 : 1, 307

678 : 1, 2, 3, 6, 113, 226, 339, 678

688 : 1, 2, 4, 8, 16, 43, 86, 172, 344, 688

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 398,307,678,688, is 1.

Now, the common factors can be found like this.

398:2x 199

307:307

678:2x 3x 113

688:2x 2x 2x 2x 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 2 = 4

Therefore, the value for common factors is 4.

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 = 56995370304/(1x4)

LCM = 56995370304/4

LCM = 14248842576

Thus, we can understand that the LCM of 398,307,678,688 is 14248842576.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 398, 307, 678, 688

1. What is the LCM of 398, 307, 678, 688?

Answer: LCM of 398, 307, 678, 688 is 14248842576.

2. How to calculate the LCM of 398, 307, 678, 688?

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 398, 307, 678, 688.

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}.