LCM of 445, 998, 660, 988, 689
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 445, 998, 660, 988, 689 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 445, 998, 660, 988, 689. So, keep reading to learn more.
Given numbers are 445,998,660,988,689
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 445,998,660,988,689 is 383713704660.
Find LCM of 445,998,660,988,689 with Prime Factorization
| 2 | 445, 998, 660, 988, 689 |
| 2 | 445, 499, 330, 494, 689 |
| 5 | 445, 499, 165, 247, 689 |
| 13 | 89, 499, 33, 247, 689 |
| 89, 499, 33, 19, 53 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 5 x 13 x 89 x 499 x 33 x 19 x 53 = 383713704660
Therefore, the lowest common multiple of 445,998,660,988,689 is 383713704660.
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.
445 x 998 x 660 x 988 x 689 = 199531126423200
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.
445 : 1, 5, 89, 445
998 : 1, 2, 499, 998
660 : 1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660
988 : 1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988
689 : 1, 13, 53, 689
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 445,998,660,988,689, is 1.
Now, the common factors can be found like this.
445:5x 89
998:2x 499
660:2x 2x 3x 5x 11
988:2x 2x 13x 19
689:13x 53
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 2x 5x 13 = 520
Therefore, the value for common factors is 520.
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 = 199531126423200/(1x520)
LCM = 199531126423200/520
LCM = 383713704660
Thus, we can understand that the LCM of 445,998,660,988,689 is 383713704660.
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FAQs on LCM of 445, 998, 660, 988, 689
1. What is the LCM of 445, 998, 660, 988, 689?
Answer: LCM of 445, 998, 660, 988, 689 is 383713704660.
2. How to calculate the LCM of 445, 998, 660, 988, 689?
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 445, 998, 660, 988, 689.
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}.