LCM of 655, 749, 921, 432, 716
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 655, 749, 921, 432, 716 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 655, 749, 921, 432, 716. So, keep reading to learn more.
Given numbers are 655,749,921,432,716
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 655,749,921,432,716 is 11646576159120.
Find LCM of 655,749,921,432,716 with Prime Factorization
| 2 | 655, 749, 921, 432, 716 |
| 2 | 655, 749, 921, 216, 358 |
| 3 | 655, 749, 921, 108, 179 |
| 655, 749, 307, 36, 179 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 3 x 655 x 749 x 307 x 36 x 179 = 11646576159120
Therefore, the lowest common multiple of 655,749,921,432,716 is 11646576159120.
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.
655 x 749 x 921 x 432 x 716 = 139758913909440
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.
655 : 1, 5, 131, 655
749 : 1, 7, 107, 749
921 : 1, 3, 307, 921
432 : 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432
716 : 1, 2, 4, 179, 358, 716
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 655,749,921,432,716, is 1.
Now, the common factors can be found like this.
655:5x 131
749:7x 107
921:3x 307
432:2x 2x 2x 2x 3x 3x 3
716:2x 2x 179
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 3 = 12
Therefore, the value for common factors is 12.
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 = 139758913909440/(1x12)
LCM = 139758913909440/12
LCM = 11646576159120
Thus, we can understand that the LCM of 655,749,921,432,716 is 11646576159120.
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FAQs on LCM of 655, 749, 921, 432, 716
1. What is the LCM of 655, 749, 921, 432, 716?
Answer: LCM of 655, 749, 921, 432, 716 is 11646576159120.
2. How to calculate the LCM of 655, 749, 921, 432, 716?
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 655, 749, 921, 432, 716.
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}.