A:
Positive:
1 x 2455255 x 491057 x 3507523 x 1067525 x 982135 x 701561 x 4025115 x 2135161 x 1525175 x 1403305 x 805427 x 575
Negative:
-1 x -245525-5 x -49105-7 x -35075-23 x -10675-25 x -9821-35 x -7015-61 x -4025-115 x -2135-161 x -1525-175 x -1403-305 x -805-427 x -575
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 245,525, 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 | 245,525 | |
| -1 | -245,525 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 245,525.
Example:
1 x 245,525 = 245,525
and
-1 x -245,525 = 245,525
Notice both answers equal 245,525
With that explanation out of the way, let's continue. Next, we take the number 245,525 and divide it by 2:
245,525 ÷ 2 = 122,762.5
If the quotient is a whole number, then 2 and 122,762.5 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 | 245,525 | |
| -1 | -245,525 |
Now, we try dividing 245,525 by 3:
245,525 ÷ 3 = 81,841.6667
If the quotient is a whole number, then 3 and 81,841.6667 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 | 245,525 | |
| -1 | -245,525 |
Let's try dividing by 4:
245,525 ÷ 4 = 61,381.25
If the quotient is a whole number, then 4 and 61,381.25 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 | 245,525 | |
| -1 | 245,525 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 23 | 25 | 35 | 61 | 115 | 161 | 175 | 305 | 427 | 575 | 805 | 1,403 | 1,525 | 2,135 | 4,025 | 7,015 | 9,821 | 10,675 | 35,075 | 49,105 | 245,525 |
| -1 | -5 | -7 | -23 | -25 | -35 | -61 | -115 | -161 | -175 | -305 | -427 | -575 | -805 | -1,403 | -1,525 | -2,135 | -4,025 | -7,015 | -9,821 | -10,675 | -35,075 | -49,105 | -245,525 |
Here are some more numbers to try:
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