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LCM of 380, 945, 847, 561

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


Find the LCM of 380, 945, 847, 561 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 380, 945, 847, 561. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 380,945,847,561

Given numbers are 380,945,847,561

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

The LCM of 380,945,847,561 is 147733740.

Find LCM of 380,945,847,561 with Prime Factorization


3 380, 945, 847, 561
5 380, 315, 847, 187
7 76, 63, 847, 187
11 76, 9, 121, 187
76, 9, 11, 17

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

3 x 5 x 7 x 11 x 76 x 9 x 11 x 17 = 147733740

Therefore, the lowest common multiple of 380,945,847,561 is 147733740.

LCM Formula to Find Lowest Common Multiple of 380,945,847,561

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.

380 x 945 x 847 x 561 = 170632469700

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.

380 : 1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380

945 : 1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945

847 : 1, 7, 11, 77, 121, 847

561 : 1, 3, 11, 17, 33, 51, 187, 561

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 380,945,847,561, is 1.

Now, the common factors can be found like this.

380:2x 2x 5x 19

945:3x 3x 3x 5x 7

847:7x 11x 11

561:3x 11x 17

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

3x 5x 7x 11 = 1155

Therefore, the value for common factors is 1155.

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 = 170632469700/(1x1155)

LCM = 170632469700/1155

LCM = 147733740

Thus, we can understand that the LCM of 380,945,847,561 is 147733740.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 380, 945, 847, 561

1. What is the LCM of 380, 945, 847, 561?

Answer: LCM of 380, 945, 847, 561 is 147733740.

2. How to calculate the LCM of 380, 945, 847, 561?

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 380, 945, 847, 561.

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}.