LCM of 791, 294, 242, 755, 705
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 791, 294, 242, 755, 705 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 791, 294, 242, 755, 705. So, keep reading to learn more.
Given numbers are 791,294,242,755,705
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 791,294,242,755,705 is 142644803070.
Find LCM of 791,294,242,755,705 with Prime Factorization
| 2 | 791, 294, 242, 755, 705 |
| 3 | 791, 147, 121, 755, 705 |
| 5 | 791, 49, 121, 755, 235 |
| 7 | 791, 49, 121, 151, 47 |
| 113, 7, 121, 151, 47 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 5 x 7 x 113 x 7 x 121 x 151 x 47 = 142644803070
Therefore, the lowest common multiple of 791,294,242,755,705 is 142644803070.
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.
791 x 294 x 242 x 755 x 705 = 29955408644700
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.
791 : 1, 7, 113, 791
294 : 1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294
242 : 1, 2, 11, 22, 121, 242
755 : 1, 5, 151, 755
705 : 1, 3, 5, 15, 47, 141, 235, 705
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 791,294,242,755,705, is 1.
Now, the common factors can be found like this.
791:7x 113
294:2x 3x 7x 7
242:2x 11x 11
755:5x 151
705:3x 5x 47
From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.
2x 3x 5x 7 = 210
Therefore, the value for common factors is 210.
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 = 29955408644700/(1x210)
LCM = 29955408644700/210
LCM = 142644803070
Thus, we can understand that the LCM of 791,294,242,755,705 is 142644803070.
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FAQs on LCM of 791, 294, 242, 755, 705
1. What is the LCM of 791, 294, 242, 755, 705?
Answer: LCM of 791, 294, 242, 755, 705 is 142644803070.
2. How to calculate the LCM of 791, 294, 242, 755, 705?
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 791, 294, 242, 755, 705.
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}.