LCM of 655, 621, 905, 518, 351
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 655, 621, 905, 518, 351 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 655, 621, 905, 518, 351. So, keep reading to learn more.
Given numbers are 655,621,905,518,351
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 655,621,905,518,351 is 495774958770.
Find LCM of 655,621,905,518,351 with Prime Factorization
| 3 | 655, 621, 905, 518, 351 |
| 3 | 655, 207, 905, 518, 117 |
| 3 | 655, 69, 905, 518, 39 |
| 5 | 655, 23, 905, 518, 13 |
| 131, 23, 181, 518, 13 |
Multiply the prime numbers at the bottom and the left side.
3 x 3 x 3 x 5 x 131 x 23 x 181 x 518 x 13 = 495774958770
Therefore, the lowest common multiple of 655,621,905,518,351 is 495774958770.
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.
655 x 621 x 905 x 518 x 351 = 66929619433950
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.
655 : 1, 5, 131, 655
621 : 1, 3, 9, 23, 27, 69, 207, 621
905 : 1, 5, 181, 905
518 : 1, 2, 7, 14, 37, 74, 259, 518
351 : 1, 3, 9, 13, 27, 39, 117, 351
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 655,621,905,518,351, is 1.
Now, the common factors can be found like this.
655:5x 131
621:3x 3x 3x 23
905:5x 181
518:2x 7x 37
351:3x 3x 3x 13
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 3x 5 = 135
Therefore, the value for common factors is 135.
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 = 66929619433950/(1x135)
LCM = 66929619433950/135
LCM = 495774958770
Thus, we can understand that the LCM of 655,621,905,518,351 is 495774958770.
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FAQs on LCM of 655, 621, 905, 518, 351
1. What is the LCM of 655, 621, 905, 518, 351?
Answer: LCM of 655, 621, 905, 518, 351 is 495774958770.
2. How to calculate the LCM of 655, 621, 905, 518, 351?
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 655, 621, 905, 518, 351.
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}.