LCM of 756, 421, 934, 743, 261
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 756, 421, 934, 743, 261 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 756, 421, 934, 743, 261. So, keep reading to learn more.
Given numbers are 756,421,934,743,261
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 756,421,934,743,261 is 3202636017924.
Find LCM of 756,421,934,743,261 with Prime Factorization
| 2 | 756, 421, 934, 743, 261 |
| 3 | 378, 421, 467, 743, 261 |
| 3 | 126, 421, 467, 743, 87 |
| 42, 421, 467, 743, 29 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 3 x 42 x 421 x 467 x 743 x 29 = 3202636017924
Therefore, the lowest common multiple of 756,421,934,743,261 is 3202636017924.
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.
756 x 421 x 934 x 743 x 261 = 57647448322632
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.
756 : 1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756
421 : 1, 421
934 : 1, 2, 467, 934
743 : 1, 743
261 : 1, 3, 9, 29, 87, 261
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 756,421,934,743,261, is 1.
Now, the common factors can be found like this.
756:2x 2x 3x 3x 3x 7
421:421
934:2x 467
743:743
261:3x 3x 29
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 3 = 18
Therefore, the value for common factors is 18.
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 = 57647448322632/(1x18)
LCM = 57647448322632/18
LCM = 3202636017924
Thus, we can understand that the LCM of 756,421,934,743,261 is 3202636017924.
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FAQs on LCM of 756, 421, 934, 743, 261
1. What is the LCM of 756, 421, 934, 743, 261?
Answer: LCM of 756, 421, 934, 743, 261 is 3202636017924.
2. How to calculate the LCM of 756, 421, 934, 743, 261?
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 756, 421, 934, 743, 261.
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}.