LCM of 305, 171, 391, 766, 912
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 305, 171, 391, 766, 912 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 305, 171, 391, 766, 912. So, keep reading to learn more.
Given numbers are 305,171,391,766,912
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 305,171,391,766,912 is 124965883440.
Find LCM of 305,171,391,766,912 with Prime Factorization
| 2 | 305, 171, 391, 766, 912 |
| 3 | 305, 171, 391, 383, 456 |
| 19 | 305, 57, 391, 383, 152 |
| 305, 3, 391, 383, 8 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 19 x 305 x 3 x 391 x 383 x 8 = 124965883440
Therefore, the lowest common multiple of 305,171,391,766,912 is 124965883440.
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.
305 x 171 x 391 x 766 x 912 = 14246110712160
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.
305 : 1, 5, 61, 305
171 : 1, 3, 9, 19, 57, 171
391 : 1, 17, 23, 391
766 : 1, 2, 383, 766
912 : 1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 912
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 305,171,391,766,912, is 1.
Now, the common factors can be found like this.
305:5x 61
171:3x 3x 19
391:17x 23
766:2x 383
912:2x 2x 2x 2x 3x 19
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
2x 3x 19 = 114
Therefore, the value for common factors is 114.
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 = 14246110712160/(1x114)
LCM = 14246110712160/114
LCM = 124965883440
Thus, we can understand that the LCM of 305,171,391,766,912 is 124965883440.
LCM of two or more Numbers Calculation Examples
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FAQs on LCM of 305, 171, 391, 766, 912
1. What is the LCM of 305, 171, 391, 766, 912?
Answer: LCM of 305, 171, 391, 766, 912 is 124965883440.
2. How to calculate the LCM of 305, 171, 391, 766, 912?
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 305, 171, 391, 766, 912.
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}.