LCM of 961, 825, 355, 639, 465
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 961, 825, 355, 639, 465 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 961, 825, 355, 639, 465. So, keep reading to learn more.
Given numbers are 961,825,355,639,465
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 961,825,355,639,465 is 168871725.
Find LCM of 961,825,355,639,465 with Prime Factorization
| 3 | 961, 825, 355, 639, 465 |
| 5 | 961, 275, 355, 213, 155 |
| 31 | 961, 55, 71, 213, 31 |
| 71 | 1, 55, 71, 213, 31 |
| 1, 55, 1, 3, 31 |
Multiply the prime numbers at the bottom and the left side.
3 x 5 x 31 x 71 x 1 x 55 x 1 x 3 x 31 = 168871725
Therefore, the lowest common multiple of 961,825,355,639,465 is 168871725.
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.
961 x 825 x 355 x 639 x 465 = 83629500013125
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.
961 : 1, 31, 961
825 : 1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 825
355 : 1, 5, 71, 355
639 : 1, 3, 9, 71, 213, 639
465 : 1, 3, 5, 15, 31, 93, 155, 465
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 961,825,355,639,465, is 1.
Now, the common factors can be found like this.
961:31x 31
825:3x 5x 5x 11
355:5x 71
639:3x 3x 71
465:3x 5x 31
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
3x 3x 5x 5x 31x 71 = 495225
Therefore, the value for common factors is 495225.
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 = 83629500013125/(1x495225)
LCM = 83629500013125/495225
LCM = 168871725
Thus, we can understand that the LCM of 961,825,355,639,465 is 168871725.
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FAQs on LCM of 961, 825, 355, 639, 465
1. What is the LCM of 961, 825, 355, 639, 465?
Answer: LCM of 961, 825, 355, 639, 465 is 168871725.
2. How to calculate the LCM of 961, 825, 355, 639, 465?
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 961, 825, 355, 639, 465.
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}.