LCM of 378, 782, 943, 907, 555
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 378, 782, 943, 907, 555 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 378, 782, 943, 907, 555. So, keep reading to learn more.
Given numbers are 378,782,943,907,555
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 378,782,943,907,555 is 1016790381810.
Find LCM of 378,782,943,907,555 with Prime Factorization
| 2 | 378, 782, 943, 907, 555 |
| 3 | 189, 391, 943, 907, 555 |
| 23 | 63, 391, 943, 907, 185 |
| 63, 17, 41, 907, 185 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 23 x 63 x 17 x 41 x 907 x 185 = 1016790381810
Therefore, the lowest common multiple of 378,782,943,907,555 is 1016790381810.
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.
378 x 782 x 943 x 907 x 555 = 140317072689780
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.
378 : 1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378
782 : 1, 2, 17, 23, 34, 46, 391, 782
943 : 1, 23, 41, 943
907 : 1, 907
555 : 1, 3, 5, 15, 37, 111, 185, 555
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 378,782,943,907,555, is 1.
Now, the common factors can be found like this.
378:2x 3x 3x 3x 7
782:2x 17x 23
943:23x 41
907:907
555:3x 5x 37
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
2x 3x 23 = 138
Therefore, the value for common factors is 138.
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 = 140317072689780/(1x138)
LCM = 140317072689780/138
LCM = 1016790381810
Thus, we can understand that the LCM of 378,782,943,907,555 is 1016790381810.
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FAQs on LCM of 378, 782, 943, 907, 555
1. What is the LCM of 378, 782, 943, 907, 555?
Answer: LCM of 378, 782, 943, 907, 555 is 1016790381810.
2. How to calculate the LCM of 378, 782, 943, 907, 555?
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 378, 782, 943, 907, 555.
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}.