LCM of 931, 754, 215, 638, 930
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 931, 754, 215, 638, 930 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 931, 754, 215, 638, 930. So, keep reading to learn more.
Given numbers are 931,754,215,638,930
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 931,754,215,638,930 is 154395671430.
Find LCM of 931,754,215,638,930 with Prime Factorization
| 2 | 931, 754, 215, 638, 930 |
| 5 | 931, 377, 215, 319, 465 |
| 29 | 931, 377, 43, 319, 93 |
| 931, 13, 43, 11, 93 |
Multiply the prime numbers at the bottom and the left side.
2 x 5 x 29 x 931 x 13 x 43 x 11 x 93 = 154395671430
Therefore, the lowest common multiple of 931,754,215,638,930 is 154395671430.
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.
931 x 754 x 215 x 638 x 930 = 89549489429400
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.
931 : 1, 7, 19, 49, 133, 931
754 : 1, 2, 13, 26, 29, 58, 377, 754
215 : 1, 5, 43, 215
638 : 1, 2, 11, 22, 29, 58, 319, 638
930 : 1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 931,754,215,638,930, is 1.
Now, the common factors can be found like this.
931:7x 7x 19
754:2x 13x 29
215:5x 43
638:2x 11x 29
930:2x 3x 5x 31
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 5x 29 = 580
Therefore, the value for common factors is 580.
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 = 89549489429400/(1x580)
LCM = 89549489429400/580
LCM = 154395671430
Thus, we can understand that the LCM of 931,754,215,638,930 is 154395671430.
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FAQs on LCM of 931, 754, 215, 638, 930
1. What is the LCM of 931, 754, 215, 638, 930?
Answer: LCM of 931, 754, 215, 638, 930 is 154395671430.
2. How to calculate the LCM of 931, 754, 215, 638, 930?
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 931, 754, 215, 638, 930.
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}.