LCM of 920, 916, 671, 366, 641
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 920, 916, 671, 366, 641 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 920, 916, 671, 366, 641. So, keep reading to learn more.
Given numbers are 920,916,671,366,641
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 920,916,671,366,641 is 271847356440.
Find LCM of 920,916,671,366,641 with Prime Factorization
| 2 | 920, 916, 671, 366, 641 |
| 2 | 460, 458, 671, 183, 641 |
| 61 | 230, 229, 671, 183, 641 |
| 230, 229, 11, 3, 641 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 61 x 230 x 229 x 11 x 3 x 641 = 271847356440
Therefore, the lowest common multiple of 920,916,671,366,641 is 271847356440.
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.
920 x 916 x 671 x 366 x 641 = 132661509942720
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.
920 : 1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920
916 : 1, 2, 4, 229, 458, 916
671 : 1, 11, 61, 671
366 : 1, 2, 3, 6, 61, 122, 183, 366
641 : 1, 641
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 920,916,671,366,641, is 1.
Now, the common factors can be found like this.
920:2x 2x 2x 5x 23
916:2x 2x 229
671:11x 61
366:2x 3x 61
641:641
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 61 = 488
Therefore, the value for common factors is 488.
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 = 132661509942720/(1x488)
LCM = 132661509942720/488
LCM = 271847356440
Thus, we can understand that the LCM of 920,916,671,366,641 is 271847356440.
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FAQs on LCM of 920, 916, 671, 366, 641
1. What is the LCM of 920, 916, 671, 366, 641?
Answer: LCM of 920, 916, 671, 366, 641 is 271847356440.
2. How to calculate the LCM of 920, 916, 671, 366, 641?
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 920, 916, 671, 366, 641.
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}.