LCM of 620, 403, 742, 929, 456
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 620, 403, 742, 929, 456 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 620, 403, 742, 929, 456. So, keep reading to learn more.
Given numbers are 620,403,742,929,456
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 620,403,742,929,456 is 316686475560.
Find LCM of 620,403,742,929,456 with Prime Factorization
| 2 | 620, 403, 742, 929, 456 |
| 2 | 310, 403, 371, 929, 228 |
| 31 | 155, 403, 371, 929, 114 |
| 5, 13, 371, 929, 114 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 31 x 5 x 13 x 371 x 929 x 114 = 316686475560
Therefore, the lowest common multiple of 620,403,742,929,456 is 316686475560.
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.
620 x 403 x 742 x 929 x 456 = 78538245938880
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.
620 : 1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620
403 : 1, 13, 31, 403
742 : 1, 2, 7, 14, 53, 106, 371, 742
929 : 1, 929
456 : 1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 228, 456
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 620,403,742,929,456, is 1.
Now, the common factors can be found like this.
620:2x 2x 5x 31
403:13x 31
742:2x 7x 53
929:929
456:2x 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 2x 2x 31 = 248
Therefore, the value for common factors is 248.
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 = 78538245938880/(1x248)
LCM = 78538245938880/248
LCM = 316686475560
Thus, we can understand that the LCM of 620,403,742,929,456 is 316686475560.
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FAQs on LCM of 620, 403, 742, 929, 456
1. What is the LCM of 620, 403, 742, 929, 456?
Answer: LCM of 620, 403, 742, 929, 456 is 316686475560.
2. How to calculate the LCM of 620, 403, 742, 929, 456?
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 620, 403, 742, 929, 456.
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}.