LCM of 319, 781, 990, 497
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 319, 781, 990, 497 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 319, 781, 990, 497. So, keep reading to learn more.
Given numbers are 319,781,990,497
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 319,781,990,497 is 14268870.
Find LCM of 319,781,990,497 with Prime Factorization
| 11 | 319, 781, 990, 497 |
| 71 | 29, 71, 90, 497 |
| 29, 1, 90, 7 |
Multiply the prime numbers at the bottom and the left side.
11 x 71 x 29 x 1 x 90 x 7 = 14268870
Therefore, the lowest common multiple of 319,781,990,497 is 14268870.
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.
319 x 781 x 990 x 497 = 122583862170
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.
319 : 1, 11, 29, 319
781 : 1, 11, 71, 781
990 : 1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990
497 : 1, 7, 71, 497
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 319,781,990,497, is 1.
Now, the common factors can be found like this.
319:11x 29
781:11x 71
990:2x 3x 3x 5x 11
497:7x 71
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
11x 11x 71 = 8591
Therefore, the value for common factors is 8591.
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 = 122583862170/(1x8591)
LCM = 122583862170/8591
LCM = 14268870
Thus, we can understand that the LCM of 319,781,990,497 is 14268870.
LCM of two or more Numbers Calculation Examples
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FAQs on LCM of 319, 781, 990, 497
1. What is the LCM of 319, 781, 990, 497?
Answer: LCM of 319, 781, 990, 497 is 14268870.
2. How to calculate the LCM of 319, 781, 990, 497?
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 319, 781, 990, 497.
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}.