A:
Positive:
1 x 1487352113 x 114411717 x 87491331 x 479791167 x 89063169 x 88009221 x 67301403 x 36907527 x 282232171 x 68512839 x 52392873 x 5177
Negative:
-1 x -14873521-13 x -1144117-17 x -874913-31 x -479791-167 x -89063-169 x -88009-221 x -67301-403 x -36907-527 x -28223-2171 x -6851-2839 x -5239-2873 x -5177
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 14,873,521, 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 | 14,873,521 | |
| -1 | -14,873,521 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 14,873,521.
Example:
1 x 14,873,521 = 14,873,521
and
-1 x -14,873,521 = 14,873,521
Notice both answers equal 14,873,521
With that explanation out of the way, let's continue. Next, we take the number 14,873,521 and divide it by 2:
14,873,521 ÷ 2 = 7,436,760.5
If the quotient is a whole number, then 2 and 7,436,760.5 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 | 14,873,521 | |
| -1 | -14,873,521 |
Now, we try dividing 14,873,521 by 3:
14,873,521 ÷ 3 = 4,957,840.3333
If the quotient is a whole number, then 3 and 4,957,840.3333 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 | 14,873,521 | |
| -1 | -14,873,521 |
Let's try dividing by 4:
14,873,521 ÷ 4 = 3,718,380.25
If the quotient is a whole number, then 4 and 3,718,380.25 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 | 14,873,521 | |
| -1 | 14,873,521 |
If you did it right, you will end up with this table:
| 1 | 13 | 17 | 31 | 167 | 169 | 221 | 403 | 527 | 2,171 | 2,839 | 2,873 | 5,177 | 5,239 | 6,851 | 28,223 | 36,907 | 67,301 | 88,009 | 89,063 | 479,791 | 874,913 | 1,144,117 | 14,873,521 |
| -1 | -13 | -17 | -31 | -167 | -169 | -221 | -403 | -527 | -2,171 | -2,839 | -2,873 | -5,177 | -5,239 | -6,851 | -28,223 | -36,907 | -67,301 | -88,009 | -89,063 | -479,791 | -874,913 | -1,144,117 | -14,873,521 |
Here are some more numbers to try:
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