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LCM of 644, 584, 739, 397, 505

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


Find the LCM of 644, 584, 739, 397, 505 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 644, 584, 739, 397, 505. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 644,584,739,397,505

Given numbers are 644,584,739,397,505

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

The LCM of 644,584,739,397,505 is 13930446811960.

Find LCM of 644,584,739,397,505 with Prime Factorization


2 644, 584, 739, 397, 505
2 322, 292, 739, 397, 505
161, 146, 739, 397, 505

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

2 x 2 x 161 x 146 x 739 x 397 x 505 = 13930446811960

Therefore, the lowest common multiple of 644,584,739,397,505 is 13930446811960.

LCM Formula to Find Lowest Common Multiple of 644,584,739,397,505

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.

644 x 584 x 739 x 397 x 505 = 55721787247840

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.

644 : 1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644

584 : 1, 2, 4, 8, 73, 146, 292, 584

739 : 1, 739

397 : 1, 397

505 : 1, 5, 101, 505

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 644,584,739,397,505, is 1.

Now, the common factors can be found like this.

644:2x 2x 7x 23

584:2x 2x 2x 73

739:739

397:397

505:5x 101

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

2x 2 = 4

Therefore, the value for common factors is 4.

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 = 55721787247840/(1x4)

LCM = 55721787247840/4

LCM = 13930446811960

Thus, we can understand that the LCM of 644,584,739,397,505 is 13930446811960.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 644, 584, 739, 397, 505

1. What is the LCM of 644, 584, 739, 397, 505?

Answer: LCM of 644, 584, 739, 397, 505 is 13930446811960.

2. How to calculate the LCM of 644, 584, 739, 397, 505?

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 644, 584, 739, 397, 505.

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}.