LCM of 630, 813, 657, 865
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 630, 813, 657, 865 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 630, 813, 657, 865. So, keep reading to learn more.
Given numbers are 630,813,657,865
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 630,813,657,865 is 2156149170.
Find LCM of 630,813,657,865 with Prime Factorization
| 3 | 630, 813, 657, 865 |
| 3 | 210, 271, 219, 865 |
| 5 | 70, 271, 73, 865 |
| 14, 271, 73, 173 |
Multiply the prime numbers at the bottom and the left side.
3 x 3 x 5 x 14 x 271 x 73 x 173 = 2156149170
Therefore, the lowest common multiple of 630,813,657,865 is 2156149170.
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.
630 x 813 x 657 x 865 = 291080137950
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.
630 : 1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630
813 : 1, 3, 271, 813
657 : 1, 3, 9, 73, 219, 657
865 : 1, 5, 173, 865
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 630,813,657,865, is 1.
Now, the common factors can be found like this.
630:2x 3x 3x 5x 7
813:3x 271
657:3x 3x 73
865:5x 173
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 = 291080137950/(1x135)
LCM = 291080137950/135
LCM = 2156149170
Thus, we can understand that the LCM of 630,813,657,865 is 2156149170.
LCM of two or more Numbers Calculation Examples
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FAQs on LCM of 630, 813, 657, 865
1. What is the LCM of 630, 813, 657, 865?
Answer: LCM of 630, 813, 657, 865 is 2156149170.
2. How to calculate the LCM of 630, 813, 657, 865?
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 630, 813, 657, 865.
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}.