A:
Positive:
1 x 408666255 x 817332519 x 215087525 x 163466595 x 430175125 x 326933475 x 860352375 x 17207
Negative:
-1 x -40866625-5 x -8173325-19 x -2150875-25 x -1634665-95 x -430175-125 x -326933-475 x -86035-2375 x -17207
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 40,866,625, 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 | 40,866,625 | |
| -1 | -40,866,625 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 40,866,625.
Example:
1 x 40,866,625 = 40,866,625
and
-1 x -40,866,625 = 40,866,625
Notice both answers equal 40,866,625
With that explanation out of the way, let's continue. Next, we take the number 40,866,625 and divide it by 2:
40,866,625 ÷ 2 = 20,433,312.5
If the quotient is a whole number, then 2 and 20,433,312.5 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 | 40,866,625 | |
| -1 | -40,866,625 |
Now, we try dividing 40,866,625 by 3:
40,866,625 ÷ 3 = 13,622,208.3333
If the quotient is a whole number, then 3 and 13,622,208.3333 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 | 40,866,625 | |
| -1 | -40,866,625 |
Let's try dividing by 4:
40,866,625 ÷ 4 = 10,216,656.25
If the quotient is a whole number, then 4 and 10,216,656.25 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 | 40,866,625 | |
| -1 | 40,866,625 |
If you did it right, you will end up with this table:
| 1 | 5 | 19 | 25 | 95 | 125 | 475 | 2,375 | 17,207 | 86,035 | 326,933 | 430,175 | 1,634,665 | 2,150,875 | 8,173,325 | 40,866,625 |
| -1 | -5 | -19 | -25 | -95 | -125 | -475 | -2,375 | -17,207 | -86,035 | -326,933 | -430,175 | -1,634,665 | -2,150,875 | -8,173,325 | -40,866,625 |
Here are some more numbers to try:
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