LCM of 998, 858, 506, 921, 705
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 998, 858, 506, 921, 705 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 998, 858, 506, 921, 705. So, keep reading to learn more.
Given numbers are 998,858,506,921,705
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 998,858,506,921,705 is 710431005570.
Find LCM of 998,858,506,921,705 with Prime Factorization
| 2 | 998, 858, 506, 921, 705 |
| 3 | 499, 429, 253, 921, 705 |
| 11 | 499, 143, 253, 307, 235 |
| 499, 13, 23, 307, 235 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 11 x 499 x 13 x 23 x 307 x 235 = 710431005570
Therefore, the lowest common multiple of 998,858,506,921,705 is 710431005570.
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.
998 x 858 x 506 x 921 x 705 = 281330678205720
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.
998 : 1, 2, 499, 998
858 : 1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858
506 : 1, 2, 11, 22, 23, 46, 253, 506
921 : 1, 3, 307, 921
705 : 1, 3, 5, 15, 47, 141, 235, 705
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 998,858,506,921,705, is 1.
Now, the common factors can be found like this.
998:2x 499
858:2x 3x 11x 13
506:2x 11x 23
921:3x 307
705:3x 5x 47
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 3x 3x 11 = 396
Therefore, the value for common factors is 396.
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 = 281330678205720/(1x396)
LCM = 281330678205720/396
LCM = 710431005570
Thus, we can understand that the LCM of 998,858,506,921,705 is 710431005570.
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FAQs on LCM of 998, 858, 506, 921, 705
1. What is the LCM of 998, 858, 506, 921, 705?
Answer: LCM of 998, 858, 506, 921, 705 is 710431005570.
2. How to calculate the LCM of 998, 858, 506, 921, 705?
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 998, 858, 506, 921, 705.
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}.