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LCM of 641, 147, 959, 977

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


Find the LCM of 641, 147, 959, 977 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 641, 147, 959, 977. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 641,147,959,977

Given numbers are 641,147,959,977

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

The LCM of 641,147,959,977 is 12612189723.

Find LCM of 641,147,959,977 with Prime Factorization


7 641, 147, 959, 977
641, 21, 137, 977

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

7 x 641 x 21 x 137 x 977 = 12612189723

Therefore, the lowest common multiple of 641,147,959,977 is 12612189723.

LCM Formula to Find Lowest Common Multiple of 641,147,959,977

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.

641 x 147 x 959 x 977 = 88285328061

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.

641 : 1, 641

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

959 : 1, 7, 137, 959

977 : 1, 977

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 641,147,959,977, is 1.

Now, the common factors can be found like this.

641:641

147:3x 7x 7

959:7x 137

977:977

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

7 = 7

Therefore, the value for common factors is 7.

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 = 88285328061/(1x7)

LCM = 88285328061/7

LCM = 12612189723

Thus, we can understand that the LCM of 641,147,959,977 is 12612189723.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 641, 147, 959, 977

1. What is the LCM of 641, 147, 959, 977?

Answer: LCM of 641, 147, 959, 977 is 12612189723.

2. How to calculate the LCM of 641, 147, 959, 977?

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 641, 147, 959, 977.

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}.