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LCM of 868, 989, 147, 557, 731

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


Find the LCM of 868, 989, 147, 557, 731 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 868, 989, 147, 557, 731. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 868,989,147,557,731

Given numbers are 868,989,147,557,731

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

The LCM of 868,989,147,557,731 is 170702321748.

Find LCM of 868,989,147,557,731 with Prime Factorization


7 868, 989, 147, 557, 731
43 124, 989, 21, 557, 731
124, 23, 21, 557, 17

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

7 x 43 x 124 x 23 x 21 x 557 x 17 = 170702321748

Therefore, the lowest common multiple of 868,989,147,557,731 is 170702321748.

LCM Formula to Find Lowest Common Multiple of 868,989,147,557,731

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.

868 x 989 x 147 x 557 x 731 = 51381398846148

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.

868 : 1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868

989 : 1, 23, 43, 989

147 : 1, 3, 7, 21, 49, 147

557 : 1, 557

731 : 1, 17, 43, 731

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 868,989,147,557,731, is 1.

Now, the common factors can be found like this.

868:2x 2x 7x 31

989:23x 43

147:3x 7x 7

557:557

731:17x 43

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

7x 43 = 301

Therefore, the value for common factors is 301.

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 = 51381398846148/(1x301)

LCM = 51381398846148/301

LCM = 170702321748

Thus, we can understand that the LCM of 868,989,147,557,731 is 170702321748.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 868, 989, 147, 557, 731

1. What is the LCM of 868, 989, 147, 557, 731?

Answer: LCM of 868, 989, 147, 557, 731 is 170702321748.

2. How to calculate the LCM of 868, 989, 147, 557, 731?

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 868, 989, 147, 557, 731.

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}.