LCM of 764, 391, 871, 420, 906
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 764, 391, 871, 420, 906 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 764, 391, 871, 420, 906. So, keep reading to learn more.
Given numbers are 764,391,871,420,906
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 764,391,871,420,906 is 4125290316420.
Find LCM of 764,391,871,420,906 with Prime Factorization
| 2 | 764, 391, 871, 420, 906 |
| 2 | 382, 391, 871, 210, 453 |
| 3 | 191, 391, 871, 105, 453 |
| 191, 391, 871, 35, 151 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 3 x 191 x 391 x 871 x 35 x 151 = 4125290316420
Therefore, the lowest common multiple of 764,391,871,420,906 is 4125290316420.
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.
764 x 391 x 871 x 420 x 906 = 99006967594080
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.
764 : 1, 2, 4, 191, 382, 764
391 : 1, 17, 23, 391
871 : 1, 13, 67, 871
420 : 1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420
906 : 1, 2, 3, 6, 151, 302, 453, 906
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 764,391,871,420,906, is 1.
Now, the common factors can be found like this.
764:2x 2x 191
391:17x 23
871:13x 67
420:2x 2x 3x 5x 7
906:2x 3x 151
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 3 = 24
Therefore, the value for common factors is 24.
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 = 99006967594080/(1x24)
LCM = 99006967594080/24
LCM = 4125290316420
Thus, we can understand that the LCM of 764,391,871,420,906 is 4125290316420.
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FAQs on LCM of 764, 391, 871, 420, 906
1. What is the LCM of 764, 391, 871, 420, 906?
Answer: LCM of 764, 391, 871, 420, 906 is 4125290316420.
2. How to calculate the LCM of 764, 391, 871, 420, 906?
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 764, 391, 871, 420, 906.
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}.