A:
Positive:
1 x 8782755 x 17565519 x 4622525 x 3513143 x 2042595 x 9245215 x 4085475 x 1849817 x 1075
Negative:
-1 x -878275-5 x -175655-19 x -46225-25 x -35131-43 x -20425-95 x -9245-215 x -4085-475 x -1849-817 x -1075
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 878,275, 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 | 878,275 | |
| -1 | -878,275 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 878,275.
Example:
1 x 878,275 = 878,275
and
-1 x -878,275 = 878,275
Notice both answers equal 878,275
With that explanation out of the way, let's continue. Next, we take the number 878,275 and divide it by 2:
878,275 ÷ 2 = 439,137.5
If the quotient is a whole number, then 2 and 439,137.5 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 | 878,275 | |
| -1 | -878,275 |
Now, we try dividing 878,275 by 3:
878,275 ÷ 3 = 292,758.3333
If the quotient is a whole number, then 3 and 292,758.3333 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 | 878,275 | |
| -1 | -878,275 |
Let's try dividing by 4:
878,275 ÷ 4 = 219,568.75
If the quotient is a whole number, then 4 and 219,568.75 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 | 878,275 | |
| -1 | 878,275 |
If you did it right, you will end up with this table:
| 1 | 5 | 19 | 25 | 43 | 95 | 215 | 475 | 817 | 1,075 | 1,849 | 4,085 | 9,245 | 20,425 | 35,131 | 46,225 | 175,655 | 878,275 |
| -1 | -5 | -19 | -25 | -43 | -95 | -215 | -475 | -817 | -1,075 | -1,849 | -4,085 | -9,245 | -20,425 | -35,131 | -46,225 | -175,655 | -878,275 |
Here are some more numbers to try:
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