LCM of 781, 792, 781, 496, 242
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 781, 792, 781, 496, 242 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 781, 792, 781, 496, 242. So, keep reading to learn more.
Given numbers are 781,792,781,496,242
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 781,792,781,496,242 is 38350224.
Find LCM of 781,792,781,496,242 with Prime Factorization
| 2 | 781, 792, 781, 496, 242 |
| 2 | 781, 396, 781, 248, 121 |
| 2 | 781, 198, 781, 124, 121 |
| 11 | 781, 99, 781, 62, 121 |
| 71 | 71, 9, 71, 62, 11 |
| 1, 9, 1, 62, 11 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 2 x 11 x 71 x 1 x 9 x 1 x 62 x 11 = 38350224
Therefore, the lowest common multiple of 781,792,781,496,242 is 38350224.
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.
781 x 792 x 781 x 496 x 242 = 57986152291584
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.
781 : 1, 11, 71, 781
792 : 1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 132, 198, 264, 396, 792
781 : 1, 11, 71, 781
496 : 1, 2, 4, 8, 16, 31, 62, 124, 248, 496
242 : 1, 2, 11, 22, 121, 242
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 781,792,781,496,242, is 1.
Now, the common factors can be found like this.
781:11x 71
792:2x 2x 2x 3x 3x 11
781:11x 71
496:2x 2x 2x 2x 31
242:2x 11x 11
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 2x 11x 11x 11x 71 = 1512016
Therefore, the value for common factors is 1512016.
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 = 57986152291584/(1x1512016)
LCM = 57986152291584/1512016
LCM = 38350224
Thus, we can understand that the LCM of 781,792,781,496,242 is 38350224.
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FAQs on LCM of 781, 792, 781, 496, 242
1. What is the LCM of 781, 792, 781, 496, 242?
Answer: LCM of 781, 792, 781, 496, 242 is 38350224.
2. How to calculate the LCM of 781, 792, 781, 496, 242?
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 781, 792, 781, 496, 242.
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}.