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LCM of 772, 402, 870, 286

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


Find the LCM of 772, 402, 870, 286 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 772, 402, 870, 286. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 772,402,870,286

Given numbers are 772,402,870,286

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

The LCM of 772,402,870,286 is 3217491420.

Find LCM of 772,402,870,286 with Prime Factorization


2 772, 402, 870, 286
3 386, 201, 435, 143
386, 67, 145, 143

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

2 x 3 x 386 x 67 x 145 x 143 = 3217491420

Therefore, the lowest common multiple of 772,402,870,286 is 3217491420.

LCM Formula to Find Lowest Common Multiple of 772,402,870,286

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.

772 x 402 x 870 x 286 = 77219794080

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.

772 : 1, 2, 4, 193, 386, 772

402 : 1, 2, 3, 6, 67, 134, 201, 402

870 : 1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 870

286 : 1, 2, 11, 13, 22, 26, 143, 286

2 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 772,402,870,286, is 2.

Now, the common factors can be found like this.

772:2x 2x 193

402:2x 3x 67

870:2x 3x 5x 29

286:2x 11x 13

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 3 = 12

Therefore, the value for common factors is 12.

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 = 77219794080/(2x12)

LCM = 77219794080/24

LCM = 3217491420

Thus, we can understand that the LCM of 772,402,870,286 is 3217491420.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 772, 402, 870, 286

1. What is the LCM of 772, 402, 870, 286?

Answer: LCM of 772, 402, 870, 286 is 3217491420.

2. How to calculate the LCM of 772, 402, 870, 286?

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 772, 402, 870, 286.

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}.