LCM of 418, 690, 921, 858, 283
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 418, 690, 921, 858, 283 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 418, 690, 921, 858, 283. So, keep reading to learn more.
Given numbers are 418,690,921,858,283
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 418,690,921,858,283 is 162878417130.
Find LCM of 418,690,921,858,283 with Prime Factorization
| 2 | 418, 690, 921, 858, 283 |
| 3 | 209, 345, 921, 429, 283 |
| 11 | 209, 115, 307, 143, 283 |
| 19, 115, 307, 13, 283 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 11 x 19 x 115 x 307 x 13 x 283 = 162878417130
Therefore, the lowest common multiple of 418,690,921,858,283 is 162878417130.
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.
418 x 690 x 921 x 858 x 283 = 64499853183480
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.
418 : 1, 2, 11, 19, 22, 38, 209, 418
690 : 1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690
921 : 1, 3, 307, 921
858 : 1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858
283 : 1, 283
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 418,690,921,858,283, is 1.
Now, the common factors can be found like this.
418:2x 11x 19
690:2x 3x 5x 23
921:3x 307
858:2x 3x 11x 13
283:283
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 11 = 396
Therefore, the value for common factors is 396.
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 = 64499853183480/(1x396)
LCM = 64499853183480/396
LCM = 162878417130
Thus, we can understand that the LCM of 418,690,921,858,283 is 162878417130.
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FAQs on LCM of 418, 690, 921, 858, 283
1. What is the LCM of 418, 690, 921, 858, 283?
Answer: LCM of 418, 690, 921, 858, 283 is 162878417130.
2. How to calculate the LCM of 418, 690, 921, 858, 283?
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 418, 690, 921, 858, 283.
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}.