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LCM of 170, 969, 697, 728

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


Find the LCM of 170, 969, 697, 728 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 170, 969, 697, 728. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 170,969,697,728

Given numbers are 170,969,697,728

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

The LCM of 170,969,697,728 is 144613560.

Find LCM of 170,969,697,728 with Prime Factorization


2 170, 969, 697, 728
17 85, 969, 697, 364
5, 57, 41, 364

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

2 x 17 x 5 x 57 x 41 x 364 = 144613560

Therefore, the lowest common multiple of 170,969,697,728 is 144613560.

LCM Formula to Find Lowest Common Multiple of 170,969,697,728

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.

170 x 969 x 697 x 728 = 83586637680

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.

170 : 1, 2, 5, 10, 17, 34, 85, 170

969 : 1, 3, 17, 19, 51, 57, 323, 969

697 : 1, 17, 41, 697

728 : 1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 170,969,697,728, is 1.

Now, the common factors can be found like this.

170:2x 5x 17

969:3x 17x 19

697:17x 41

728:2x 2x 2x 7x 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 17x 17 = 578

Therefore, the value for common factors is 578.

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 = 83586637680/(1x578)

LCM = 83586637680/578

LCM = 144613560

Thus, we can understand that the LCM of 170,969,697,728 is 144613560.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 170, 969, 697, 728

1. What is the LCM of 170, 969, 697, 728?

Answer: LCM of 170, 969, 697, 728 is 144613560.

2. How to calculate the LCM of 170, 969, 697, 728?

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 170, 969, 697, 728.

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}.