LCM of 555, 780, 749, 939, 475
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 555, 780, 749, 939, 475 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 555, 780, 749, 939, 475. So, keep reading to learn more.
Given numbers are 555,780,749,939,475
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 555,780,749,939,475 is 642755922900.
Find LCM of 555,780,749,939,475 with Prime Factorization
| 3 | 555, 780, 749, 939, 475 |
| 5 | 185, 260, 749, 313, 475 |
| 37, 52, 749, 313, 95 |
Multiply the prime numbers at the bottom and the left side.
3 x 5 x 37 x 52 x 749 x 313 x 95 = 642755922900
Therefore, the lowest common multiple of 555,780,749,939,475 is 642755922900.
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.
555 x 780 x 749 x 939 x 475 = 144620082652500
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.
555 : 1, 3, 5, 15, 37, 111, 185, 555
780 : 1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780
749 : 1, 7, 107, 749
939 : 1, 3, 313, 939
475 : 1, 5, 19, 25, 95, 475
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 555,780,749,939,475, is 1.
Now, the common factors can be found like this.
555:3x 5x 37
780:2x 2x 3x 5x 13
749:7x 107
939:3x 313
475:5x 5x 19
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
3x 3x 5x 5 = 225
Therefore, the value for common factors is 225.
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 = 144620082652500/(1x225)
LCM = 144620082652500/225
LCM = 642755922900
Thus, we can understand that the LCM of 555,780,749,939,475 is 642755922900.
LCM of two or more Numbers Calculation Examples
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FAQs on LCM of 555, 780, 749, 939, 475
1. What is the LCM of 555, 780, 749, 939, 475?
Answer: LCM of 555, 780, 749, 939, 475 is 642755922900.
2. How to calculate the LCM of 555, 780, 749, 939, 475?
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 555, 780, 749, 939, 475.
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}.