LCM of 656, 776, 692, 665, 478
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 656, 776, 692, 665, 478 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 656, 776, 692, 665, 478. So, keep reading to learn more.
Given numbers are 656,776,692,665,478
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 656,776,692,665,478 is 1749609882160.
Find LCM of 656,776,692,665,478 with Prime Factorization
| 2 | 656, 776, 692, 665, 478 |
| 2 | 328, 388, 346, 665, 239 |
| 2 | 164, 194, 173, 665, 239 |
| 82, 97, 173, 665, 239 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 2 x 82 x 97 x 173 x 665 x 239 = 1749609882160
Therefore, the lowest common multiple of 656,776,692,665,478 is 1749609882160.
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.
656 x 776 x 692 x 665 x 478 = 111975032458240
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.
656 : 1, 2, 4, 8, 16, 41, 82, 164, 328, 656
776 : 1, 2, 4, 8, 97, 194, 388, 776
692 : 1, 2, 4, 173, 346, 692
665 : 1, 5, 7, 19, 35, 95, 133, 665
478 : 1, 2, 239, 478
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 656,776,692,665,478, is 1.
Now, the common factors can be found like this.
656:2x 2x 2x 2x 41
776:2x 2x 2x 97
692:2x 2x 173
665:5x 7x 19
478:2x 239
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 2x 2x 2x 2 = 64
Therefore, the value for common factors is 64.
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 = 111975032458240/(1x64)
LCM = 111975032458240/64
LCM = 1749609882160
Thus, we can understand that the LCM of 656,776,692,665,478 is 1749609882160.
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FAQs on LCM of 656, 776, 692, 665, 478
1. What is the LCM of 656, 776, 692, 665, 478?
Answer: LCM of 656, 776, 692, 665, 478 is 1749609882160.
2. How to calculate the LCM of 656, 776, 692, 665, 478?
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 656, 776, 692, 665, 478.
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}.