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LCM of 196, 620, 990, 789

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


Find the LCM of 196, 620, 990, 789 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 196, 620, 990, 789. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 196,620,990,789

Given numbers are 196,620,990,789

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

The LCM of 196,620,990,789 is 791004060.

Find LCM of 196,620,990,789 with Prime Factorization


2 196, 620, 990, 789
2 98, 310, 495, 789
3 49, 155, 495, 789
5 49, 155, 165, 263
49, 31, 33, 263

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

2 x 2 x 3 x 5 x 49 x 31 x 33 x 263 = 791004060

Therefore, the lowest common multiple of 196,620,990,789 is 791004060.

LCM Formula to Find Lowest Common Multiple of 196,620,990,789

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.

196 x 620 x 990 x 789 = 94920487200

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.

196 : 1, 2, 4, 7, 14, 28, 49, 98, 196

620 : 1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620

990 : 1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990

789 : 1, 3, 263, 789

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 196,620,990,789, is 1.

Now, the common factors can be found like this.

196:2x 2x 7x 7

620:2x 2x 5x 31

990:2x 3x 3x 5x 11

789:3x 263

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 3x 5 = 120

Therefore, the value for common factors is 120.

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 = 94920487200/(1x120)

LCM = 94920487200/120

LCM = 791004060

Thus, we can understand that the LCM of 196,620,990,789 is 791004060.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 196, 620, 990, 789

1. What is the LCM of 196, 620, 990, 789?

Answer: LCM of 196, 620, 990, 789 is 791004060.

2. How to calculate the LCM of 196, 620, 990, 789?

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 196, 620, 990, 789.

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}.