A:
Positive:
1 x 1636255 x 327257 x 2337511 x 1487517 x 962525 x 654535 x 467555 x 297577 x 212585 x 1925119 x 1375125 x 1309175 x 935187 x 875275 x 595385 x 425
Negative:
-1 x -163625-5 x -32725-7 x -23375-11 x -14875-17 x -9625-25 x -6545-35 x -4675-55 x -2975-77 x -2125-85 x -1925-119 x -1375-125 x -1309-175 x -935-187 x -875-275 x -595-385 x -425
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 163,625, 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 | 163,625 | |
| -1 | -163,625 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 163,625.
Example:
1 x 163,625 = 163,625
and
-1 x -163,625 = 163,625
Notice both answers equal 163,625
With that explanation out of the way, let's continue. Next, we take the number 163,625 and divide it by 2:
163,625 ÷ 2 = 81,812.5
If the quotient is a whole number, then 2 and 81,812.5 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 | 163,625 | |
| -1 | -163,625 |
Now, we try dividing 163,625 by 3:
163,625 ÷ 3 = 54,541.6667
If the quotient is a whole number, then 3 and 54,541.6667 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 | 163,625 | |
| -1 | -163,625 |
Let's try dividing by 4:
163,625 ÷ 4 = 40,906.25
If the quotient is a whole number, then 4 and 40,906.25 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 | 163,625 | |
| -1 | 163,625 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 11 | 17 | 25 | 35 | 55 | 77 | 85 | 119 | 125 | 175 | 187 | 275 | 385 | 425 | 595 | 875 | 935 | 1,309 | 1,375 | 1,925 | 2,125 | 2,975 | 4,675 | 6,545 | 9,625 | 14,875 | 23,375 | 32,725 | 163,625 |
| -1 | -5 | -7 | -11 | -17 | -25 | -35 | -55 | -77 | -85 | -119 | -125 | -175 | -187 | -275 | -385 | -425 | -595 | -875 | -935 | -1,309 | -1,375 | -1,925 | -2,125 | -2,975 | -4,675 | -6,545 | -9,625 | -14,875 | -23,375 | -32,725 | -163,625 |
Here are some more numbers to try:
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