LCM of 647, 974, 660, 315, 558
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 647, 974, 660, 315, 558 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 647, 974, 660, 315, 558. So, keep reading to learn more.
Given numbers are 647,974,660,315,558
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 647,974,660,315,558 is 135381139740.
Find LCM of 647,974,660,315,558 with Prime Factorization
| 2 | 647, 974, 660, 315, 558 |
| 3 | 647, 487, 330, 315, 279 |
| 3 | 647, 487, 110, 105, 93 |
| 5 | 647, 487, 110, 35, 31 |
| 647, 487, 22, 7, 31 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 3 x 5 x 647 x 487 x 22 x 7 x 31 = 135381139740
Therefore, the lowest common multiple of 647,974,660,315,558 is 135381139740.
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.
647 x 974 x 660 x 315 x 558 = 73105815459600
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.
647 : 1, 647
974 : 1, 2, 487, 974
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
315 : 1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315
558 : 1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 647,974,660,315,558, is 1.
Now, the common factors can be found like this.
647:647
974:2x 487
660:2x 2x 3x 5x 11
315:3x 3x 5x 7
558:2x 3x 3x 31
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 3x 5 = 540
Therefore, the value for common factors is 540.
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 = 73105815459600/(1x540)
LCM = 73105815459600/540
LCM = 135381139740
Thus, we can understand that the LCM of 647,974,660,315,558 is 135381139740.
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FAQs on LCM of 647, 974, 660, 315, 558
1. What is the LCM of 647, 974, 660, 315, 558?
Answer: LCM of 647, 974, 660, 315, 558 is 135381139740.
2. How to calculate the LCM of 647, 974, 660, 315, 558?
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 647, 974, 660, 315, 558.
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}.