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LCM of 391, 912, 876, 970

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


Find the LCM of 391, 912, 876, 970 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 391, 912, 876, 970. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 391,912,876,970

Given numbers are 391,912,876,970

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

The LCM of 391,912,876,970 is 12625139760.

Find LCM of 391,912,876,970 with Prime Factorization


2 391, 912, 876, 970
2 391, 456, 438, 485
3 391, 228, 219, 485
391, 76, 73, 485

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

2 x 2 x 3 x 391 x 76 x 73 x 485 = 12625139760

Therefore, the lowest common multiple of 391,912,876,970 is 12625139760.

LCM Formula to Find Lowest Common Multiple of 391,912,876,970

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.

391 x 912 x 876 x 970 = 303003354240

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.

391 : 1, 17, 23, 391

912 : 1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 912

876 : 1, 2, 3, 4, 6, 12, 73, 146, 219, 292, 438, 876

970 : 1, 2, 5, 10, 97, 194, 485, 970

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 391,912,876,970, is 1.

Now, the common factors can be found like this.

391:17x 23

912:2x 2x 2x 2x 3x 19

876:2x 2x 3x 73

970:2x 5x 97

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

2x 2x 2x 3 = 24

Therefore, the value for common factors is 24.

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 = 303003354240/(1x24)

LCM = 303003354240/24

LCM = 12625139760

Thus, we can understand that the LCM of 391,912,876,970 is 12625139760.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 391, 912, 876, 970

1. What is the LCM of 391, 912, 876, 970?

Answer: LCM of 391, 912, 876, 970 is 12625139760.

2. How to calculate the LCM of 391, 912, 876, 970?

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 391, 912, 876, 970.

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}.