Find the LCM of 689, 921, 306, 630, 974 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 689, 921, 306, 630, 974. So, keep reading to learn more.
Given numbers are 689,921,306,630,974
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 689,921,306,630,974 is 1103255317710.
Find LCM of 689,921,306,630,974 with Prime Factorization
2 | 689, 921, 306, 630, 974 |
3 | 689, 921, 153, 315, 487 |
3 | 689, 307, 51, 105, 487 |
689, 307, 17, 35, 487 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 3 x 689 x 307 x 17 x 35 x 487 = 1103255317710
Therefore, the lowest common multiple of 689,921,306,630,974 is 1103255317710.
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.
689 x 921 x 306 x 630 x 974 = 119151574312680
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.
689 : 1, 13, 53, 689
921 : 1, 3, 307, 921
306 : 1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306
630 : 1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630
974 : 1, 2, 487, 974
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 689,921,306,630,974, is 1.
Now, the common factors can be found like this.
689:13x 53
921:3x 307
306:2x 3x 3x 17
630:2x 3x 3x 5x 7
974:2x 487
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 3x 3x 3 = 108
Therefore, the value for common factors is 108.
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 = 119151574312680/(1x108)
LCM = 119151574312680/108
LCM = 1103255317710
Thus, we can understand that the LCM of 689,921,306,630,974 is 1103255317710.
Here are some samples of LCM of two or more Numbers calculations.
1. What is the LCM of 689, 921, 306, 630, 974?
Answer: LCM of 689, 921, 306, 630, 974 is 1103255317710.
2. How to calculate the LCM of 689, 921, 306, 630, 974?
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 689, 921, 306, 630, 974.
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}.