A:
Positive:
1 x 8912755 x 1782557 x 12732511 x 8102525 x 3565135 x 2546555 x 1620577 x 11575175 x 5093275 x 3241385 x 2315463 x 1925
Negative:
-1 x -891275-5 x -178255-7 x -127325-11 x -81025-25 x -35651-35 x -25465-55 x -16205-77 x -11575-175 x -5093-275 x -3241-385 x -2315-463 x -1925
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 891,275, 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 | 891,275 | |
| -1 | -891,275 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 891,275.
Example:
1 x 891,275 = 891,275
and
-1 x -891,275 = 891,275
Notice both answers equal 891,275
With that explanation out of the way, let's continue. Next, we take the number 891,275 and divide it by 2:
891,275 ÷ 2 = 445,637.5
If the quotient is a whole number, then 2 and 445,637.5 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 | 891,275 | |
| -1 | -891,275 |
Now, we try dividing 891,275 by 3:
891,275 ÷ 3 = 297,091.6667
If the quotient is a whole number, then 3 and 297,091.6667 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 | 891,275 | |
| -1 | -891,275 |
Let's try dividing by 4:
891,275 ÷ 4 = 222,818.75
If the quotient is a whole number, then 4 and 222,818.75 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 | 891,275 | |
| -1 | 891,275 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 11 | 25 | 35 | 55 | 77 | 175 | 275 | 385 | 463 | 1,925 | 2,315 | 3,241 | 5,093 | 11,575 | 16,205 | 25,465 | 35,651 | 81,025 | 127,325 | 178,255 | 891,275 |
| -1 | -5 | -7 | -11 | -25 | -35 | -55 | -77 | -175 | -275 | -385 | -463 | -1,925 | -2,315 | -3,241 | -5,093 | -11,575 | -16,205 | -25,465 | -35,651 | -81,025 | -127,325 | -178,255 | -891,275 |
Here are some more numbers to try:
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