Find the LCM of 505, 690, 391, 623 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 505, 690, 391, 623. So, keep reading to learn more.
Given numbers are 505,690,391,623
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 505,690,391,623 is 738086790.
Find LCM of 505,690,391,623 with Prime Factorization
5 | 505, 690, 391, 623 |
23 | 101, 138, 391, 623 |
101, 6, 17, 623 |
Multiply the prime numbers at the bottom and the left side.
5 x 23 x 101 x 6 x 17 x 623 = 738086790
Therefore, the lowest common multiple of 505,690,391,623 is 738086790.
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.
505 x 690 x 391 x 623 = 84879980850
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.
505 : 1, 5, 101, 505
690 : 1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690
391 : 1, 17, 23, 391
623 : 1, 7, 89, 623
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 505,690,391,623, is 1.
Now, the common factors can be found like this.
505:5x 101
690:2x 3x 5x 23
391:17x 23
623:7x 89
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
5x 23 = 115
Therefore, the value for common factors is 115.
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 = 84879980850/(1x115)
LCM = 84879980850/115
LCM = 738086790
Thus, we can understand that the LCM of 505,690,391,623 is 738086790.
Here are some samples of LCM of two or more Numbers calculations.
1. What is the LCM of 505, 690, 391, 623?
Answer: LCM of 505, 690, 391, 623 is 738086790.
2. How to calculate the LCM of 505, 690, 391, 623?
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 505, 690, 391, 623.
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}.