LCM of 221, 620, 969, 715, 951
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 221, 620, 969, 715, 951 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 221, 620, 969, 715, 951. So, keep reading to learn more.
Given numbers are 221,620,969,715,951
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 221,620,969,715,951 is 27233958180.
Find LCM of 221,620,969,715,951 with Prime Factorization
| 3 | 221, 620, 969, 715, 951 |
| 5 | 221, 620, 323, 715, 317 |
| 13 | 221, 124, 323, 143, 317 |
| 17 | 17, 124, 323, 11, 317 |
| 1, 124, 19, 11, 317 |
Multiply the prime numbers at the bottom and the left side.
3 x 5 x 13 x 17 x 1 x 124 x 19 x 11 x 317 = 27233958180
Therefore, the lowest common multiple of 221,620,969,715,951 is 27233958180.
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.
221 x 620 x 969 x 715 x 951 = 90280571366700
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.
221 : 1, 13, 17, 221
620 : 1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620
969 : 1, 3, 17, 19, 51, 57, 323, 969
715 : 1, 5, 11, 13, 55, 65, 143, 715
951 : 1, 3, 317, 951
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 221,620,969,715,951, is 1.
Now, the common factors can be found like this.
221:13x 17
620:2x 2x 5x 31
969:3x 17x 19
715:5x 11x 13
951:3x 317
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
3x 5x 13x 17 = 3315
Therefore, the value for common factors is 3315.
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 = 90280571366700/(1x3315)
LCM = 90280571366700/3315
LCM = 27233958180
Thus, we can understand that the LCM of 221,620,969,715,951 is 27233958180.
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FAQs on LCM of 221, 620, 969, 715, 951
1. What is the LCM of 221, 620, 969, 715, 951?
Answer: LCM of 221, 620, 969, 715, 951 is 27233958180.
2. How to calculate the LCM of 221, 620, 969, 715, 951?
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 221, 620, 969, 715, 951.
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}.