LCM of 830, 646, 714, 715, 961
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 830, 646, 714, 715, 961 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 830, 646, 714, 715, 961. So, keep reading to learn more.
Given numbers are 830,646,714,715,961
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 830,646,714,715,961 is 773676373470.
Find LCM of 830,646,714,715,961 with Prime Factorization
| 2 | 830, 646, 714, 715, 961 |
| 5 | 415, 323, 357, 715, 961 |
| 17 | 83, 323, 357, 143, 961 |
| 83, 19, 21, 143, 961 |
Multiply the prime numbers at the bottom and the left side.
2 x 5 x 17 x 83 x 19 x 21 x 143 x 961 = 773676373470
Therefore, the lowest common multiple of 830,646,714,715,961 is 773676373470.
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.
830 x 646 x 714 x 715 x 961 = 263049966979800
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.
830 : 1, 2, 5, 10, 83, 166, 415, 830
646 : 1, 2, 17, 19, 34, 38, 323, 646
714 : 1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 238, 357, 714
715 : 1, 5, 11, 13, 55, 65, 143, 715
961 : 1, 31, 961
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 830,646,714,715,961, is 1.
Now, the common factors can be found like this.
830:2x 5x 83
646:2x 17x 19
714:2x 3x 7x 17
715:5x 11x 13
961:31x 31
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 5x 17 = 340
Therefore, the value for common factors is 340.
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 = 263049966979800/(1x340)
LCM = 263049966979800/340
LCM = 773676373470
Thus, we can understand that the LCM of 830,646,714,715,961 is 773676373470.
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FAQs on LCM of 830, 646, 714, 715, 961
1. What is the LCM of 830, 646, 714, 715, 961?
Answer: LCM of 830, 646, 714, 715, 961 is 773676373470.
2. How to calculate the LCM of 830, 646, 714, 715, 961?
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 830, 646, 714, 715, 961.
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}.