LCM of 721, 988, 417, 752, 807
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 721, 988, 417, 752, 807 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 721, 988, 417, 752, 807. So, keep reading to learn more.
Given numbers are 721,988,417,752,807
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 721,988,417,752,807 is 15022367894352.
Find LCM of 721,988,417,752,807 with Prime Factorization
| 2 | 721, 988, 417, 752, 807 |
| 2 | 721, 494, 417, 376, 807 |
| 3 | 721, 247, 417, 188, 807 |
| 721, 247, 139, 188, 269 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 3 x 721 x 247 x 139 x 188 x 269 = 15022367894352
Therefore, the lowest common multiple of 721,988,417,752,807 is 15022367894352.
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.
721 x 988 x 417 x 752 x 807 = 180268414732224
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.
721 : 1, 7, 103, 721
988 : 1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988
417 : 1, 3, 139, 417
752 : 1, 2, 4, 8, 16, 47, 94, 188, 376, 752
807 : 1, 3, 269, 807
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 721,988,417,752,807, is 1.
Now, the common factors can be found like this.
721:7x 103
988:2x 2x 13x 19
417:3x 139
752:2x 2x 2x 2x 47
807:3x 269
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 3 = 12
Therefore, the value for common factors is 12.
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 = 180268414732224/(1x12)
LCM = 180268414732224/12
LCM = 15022367894352
Thus, we can understand that the LCM of 721,988,417,752,807 is 15022367894352.
LCM of two or more Numbers Calculation Examples
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FAQs on LCM of 721, 988, 417, 752, 807
1. What is the LCM of 721, 988, 417, 752, 807?
Answer: LCM of 721, 988, 417, 752, 807 is 15022367894352.
2. How to calculate the LCM of 721, 988, 417, 752, 807?
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 721, 988, 417, 752, 807.
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}.