LCM of 917, 855, 722, 942, 807
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023
Find the LCM of 917, 855, 722, 942, 807 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 917, 855, 722, 942, 807. So, keep reading to learn more.
Given numbers are 917,855,722,942,807
The least common multiple of numbers can be find using the prime factorization method or LCM formula.
The LCM of 917,855,722,942,807 is 1258261705890.
Find LCM of 917,855,722,942,807 with Prime Factorization
| 2 | 917, 855, 722, 942, 807 |
| 3 | 917, 855, 361, 471, 807 |
| 19 | 917, 285, 361, 157, 269 |
| 917, 15, 19, 157, 269 |
Multiply the prime numbers at the bottom and the left side.
2 x 3 x 19 x 917 x 15 x 19 x 157 x 269 = 1258261705890
Therefore, the lowest common multiple of 917,855,722,942,807 is 1258261705890.
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.
917 x 855 x 722 x 942 x 807 = 430325503414380
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.
917 : 1, 7, 131, 917
855 : 1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855
722 : 1, 2, 19, 38, 361, 722
942 : 1, 2, 3, 6, 157, 314, 471, 942
807 : 1, 3, 269, 807
1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 917,855,722,942,807, is 1.
Now, the common factors can be found like this.
917:7x 131
855:3x 3x 5x 19
722:2x 19x 19
942:2x 3x 157
807:3x 269
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 3x 19 = 342
Therefore, the value for common factors is 342.
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 = 430325503414380/(1x342)
LCM = 430325503414380/342
LCM = 1258261705890
Thus, we can understand that the LCM of 917,855,722,942,807 is 1258261705890.
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FAQs on LCM of 917, 855, 722, 942, 807
1. What is the LCM of 917, 855, 722, 942, 807?
Answer: LCM of 917, 855, 722, 942, 807 is 1258261705890.
2. How to calculate the LCM of 917, 855, 722, 942, 807?
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 917, 855, 722, 942, 807.
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}.