A:
Positive:
1 x 111015255 x 222030523 x 48267525 x 44406143 x 258175115 x 96535215 x 51635449 x 24725575 x 19307989 x 112251075 x 103272245 x 4945
Negative:
-1 x -11101525-5 x -2220305-23 x -482675-25 x -444061-43 x -258175-115 x -96535-215 x -51635-449 x -24725-575 x -19307-989 x -11225-1075 x -10327-2245 x -4945
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 11,101,525, 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 | 11,101,525 | |
| -1 | -11,101,525 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 11,101,525.
Example:
1 x 11,101,525 = 11,101,525
and
-1 x -11,101,525 = 11,101,525
Notice both answers equal 11,101,525
With that explanation out of the way, let's continue. Next, we take the number 11,101,525 and divide it by 2:
11,101,525 ÷ 2 = 5,550,762.5
If the quotient is a whole number, then 2 and 5,550,762.5 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 | 11,101,525 | |
| -1 | -11,101,525 |
Now, we try dividing 11,101,525 by 3:
11,101,525 ÷ 3 = 3,700,508.3333
If the quotient is a whole number, then 3 and 3,700,508.3333 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 | 11,101,525 | |
| -1 | -11,101,525 |
Let's try dividing by 4:
11,101,525 ÷ 4 = 2,775,381.25
If the quotient is a whole number, then 4 and 2,775,381.25 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 | 11,101,525 | |
| -1 | 11,101,525 |
If you did it right, you will end up with this table:
| 1 | 5 | 23 | 25 | 43 | 115 | 215 | 449 | 575 | 989 | 1,075 | 2,245 | 4,945 | 10,327 | 11,225 | 19,307 | 24,725 | 51,635 | 96,535 | 258,175 | 444,061 | 482,675 | 2,220,305 | 11,101,525 |
| -1 | -5 | -23 | -25 | -43 | -115 | -215 | -449 | -575 | -989 | -1,075 | -2,245 | -4,945 | -10,327 | -11,225 | -19,307 | -24,725 | -51,635 | -96,535 | -258,175 | -444,061 | -482,675 | -2,220,305 | -11,101,525 |
Here are some more numbers to try:
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