LCM of 515, 755, 402, 846, 721
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 515, 755, 402, 846, 721 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 515, 755, 402, 846, 721. So, keep reading to learn more.
Given numbers are 515,755,402,846,721
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 515,755,402,846,721 is 30855130110.
Find LCM of 515,755,402,846,721 with Prime Factorization
| 2 | 515, 755, 402, 846, 721 |
| 3 | 515, 755, 201, 423, 721 |
| 5 | 515, 755, 67, 141, 721 |
| 103 | 103, 151, 67, 141, 721 |
| 1, 151, 67, 141, 7 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 5 x 103 x 1 x 151 x 67 x 141 x 7 = 30855130110
Therefore, the lowest common multiple of 515,755,402,846,721 is 30855130110.
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.
515 x 755 x 402 x 846 x 721 = 95342352039900
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.
515 : 1, 5, 103, 515
755 : 1, 5, 151, 755
402 : 1, 2, 3, 6, 67, 134, 201, 402
846 : 1, 2, 3, 6, 9, 18, 47, 94, 141, 282, 423, 846
721 : 1, 7, 103, 721
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 515,755,402,846,721, is 1.
Now, the common factors can be found like this.
515:5x 103
755:5x 151
402:2x 3x 67
846:2x 3x 3x 47
721:7x 103
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 5x 103 = 3090
Therefore, the value for common factors is 3090.
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 = 95342352039900/(1x3090)
LCM = 95342352039900/3090
LCM = 30855130110
Thus, we can understand that the LCM of 515,755,402,846,721 is 30855130110.
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FAQs on LCM of 515, 755, 402, 846, 721
1. What is the LCM of 515, 755, 402, 846, 721?
Answer: LCM of 515, 755, 402, 846, 721 is 30855130110.
2. How to calculate the LCM of 515, 755, 402, 846, 721?
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 515, 755, 402, 846, 721.
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}.