LCM of 656, 893, 988, 916, 981
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 656, 893, 988, 916, 981 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, 893, 988, 916, 981. So, keep reading to learn more.
Given numbers are 656,893,988,916,981
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 656,893,988,916,981 is 1710815358096.
Find LCM of 656,893,988,916,981 with Prime Factorization
| 2 | 656, 893, 988, 916, 981 |
| 2 | 328, 893, 494, 458, 981 |
| 19 | 164, 893, 247, 229, 981 |
| 164, 47, 13, 229, 981 |
Multiply the prime numbers at the bottom and the left side.
2 x 2 x 19 x 164 x 47 x 13 x 229 x 981 = 1710815358096
Therefore, the lowest common multiple of 656,893,988,916,981 is 1710815358096.
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 893 x 988 x 916 x 981 = 520087868861184
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
893 : 1, 19, 47, 893
988 : 1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988
916 : 1, 2, 4, 229, 458, 916
981 : 1, 3, 9, 109, 327, 981
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 656,893,988,916,981, is 1.
Now, the common factors can be found like this.
656:2x 2x 2x 2x 41
893:19x 47
988:2x 2x 13x 19
916:2x 2x 229
981:3x 3x 109
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 19 = 304
Therefore, the value for common factors is 304.
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 = 520087868861184/(1x304)
LCM = 520087868861184/304
LCM = 1710815358096
Thus, we can understand that the LCM of 656,893,988,916,981 is 1710815358096.
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FAQs on LCM of 656, 893, 988, 916, 981
1. What is the LCM of 656, 893, 988, 916, 981?
Answer: LCM of 656, 893, 988, 916, 981 is 1710815358096.
2. How to calculate the LCM of 656, 893, 988, 916, 981?
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, 893, 988, 916, 981.
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}.