LCM of 751, 726, 507, 989, 690
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 751, 726, 507, 989, 690 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 751, 726, 507, 989, 690. So, keep reading to learn more.
Given numbers are 751,726,507,989,690
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 751,726,507,989,690 is 455648094330.
Find LCM of 751,726,507,989,690 with Prime Factorization
| 2 | 751, 726, 507, 989, 690 |
| 3 | 751, 363, 507, 989, 345 |
| 23 | 751, 121, 169, 989, 115 |
| 751, 121, 169, 43, 5 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 23 x 751 x 121 x 169 x 43 x 5 = 455648094330
Therefore, the lowest common multiple of 751,726,507,989,690 is 455648094330.
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.
751 x 726 x 507 x 989 x 690 = 188638311052620
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.
751 : 1, 751
726 : 1, 2, 3, 6, 11, 22, 33, 66, 121, 242, 363, 726
507 : 1, 3, 13, 39, 169, 507
989 : 1, 23, 43, 989
690 : 1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 751,726,507,989,690, is 1.
Now, the common factors can be found like this.
751:751
726:2x 3x 11x 11
507:3x 13x 13
989:23x 43
690:2x 3x 5x 23
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 3x 23 = 414
Therefore, the value for common factors is 414.
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 = 188638311052620/(1x414)
LCM = 188638311052620/414
LCM = 455648094330
Thus, we can understand that the LCM of 751,726,507,989,690 is 455648094330.
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FAQs on LCM of 751, 726, 507, 989, 690
1. What is the LCM of 751, 726, 507, 989, 690?
Answer: LCM of 751, 726, 507, 989, 690 is 455648094330.
2. How to calculate the LCM of 751, 726, 507, 989, 690?
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 751, 726, 507, 989, 690.
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}.