A:
Positive:
1 x 184951137 x 264215913 x 142270119 x 97342791 x 203243133 x 139061247 x 74879361 x 51233563 x 328511729 x 106972527 x 73193941 x 4693
Negative:
-1 x -18495113-7 x -2642159-13 x -1422701-19 x -973427-91 x -203243-133 x -139061-247 x -74879-361 x -51233-563 x -32851-1729 x -10697-2527 x -7319-3941 x -4693
Unfortunately, there's not simple formula to identifying all of the factors of a number and it can be a tedious process when trying to identify the divisors of larger numbers. To find the factor combinations of the number 18,495,113, it is easier to work with a table - it's called factoring from the outside in.
We start by creating a table and writing 1 on the left side and then the number we're trying to find the factors for on the right side in a table. Then, below that, write the numbers as a negative as well.
| 1 | 18,495,113 | |
| -1 | -18,495,113 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 18,495,113.
Example:
1 x 18,495,113 = 18,495,113
and
-1 x -18,495,113 = 18,495,113
Notice both answers equal 18,495,113
With that explanation out of the way, let's continue. Next, we take the number 18,495,113 and divide it by 2:
18,495,113 ÷ 2 = 9,247,556.5
If the quotient is a whole number, then 2 and 9,247,556.5 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.
Here is what our table should look like at this step:
| 1 | 18,495,113 | |
| -1 | -18,495,113 |
Now, we try dividing 18,495,113 by 3:
18,495,113 ÷ 3 = 6,165,037.6667
If the quotient is a whole number, then 3 and 6,165,037.6667 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.
Here is what our table should look like at this step:
| 1 | 18,495,113 | |
| -1 | -18,495,113 |
Let's try dividing by 4:
18,495,113 ÷ 4 = 4,623,778.25
If the quotient is a whole number, then 4 and 4,623,778.25 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.
Here is what our table should look like at this step:
| 1 | 18,495,113 | |
| -1 | 18,495,113 |
If you did it right, you will end up with this table:
| 1 | 7 | 13 | 19 | 91 | 133 | 247 | 361 | 563 | 1,729 | 2,527 | 3,941 | 4,693 | 7,319 | 10,697 | 32,851 | 51,233 | 74,879 | 139,061 | 203,243 | 973,427 | 1,422,701 | 2,642,159 | 18,495,113 |
| -1 | -7 | -13 | -19 | -91 | -133 | -247 | -361 | -563 | -1,729 | -2,527 | -3,941 | -4,693 | -7,319 | -10,697 | -32,851 | -51,233 | -74,879 | -139,061 | -203,243 | -973,427 | -1,422,701 | -2,642,159 | -18,495,113 |
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