A:
Positive:
1 x 402337255 x 80467457 x 574767525 x 160934935 x 1149535149 x 270025175 x 229907745 x 540051043 x 385751543 x 260753725 x 108015215 x 7715
Negative:
-1 x -40233725-5 x -8046745-7 x -5747675-25 x -1609349-35 x -1149535-149 x -270025-175 x -229907-745 x -54005-1043 x -38575-1543 x -26075-3725 x -10801-5215 x -7715
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 40,233,725, 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 | 40,233,725 | |
| -1 | -40,233,725 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 40,233,725.
Example:
1 x 40,233,725 = 40,233,725
and
-1 x -40,233,725 = 40,233,725
Notice both answers equal 40,233,725
With that explanation out of the way, let's continue. Next, we take the number 40,233,725 and divide it by 2:
40,233,725 ÷ 2 = 20,116,862.5
If the quotient is a whole number, then 2 and 20,116,862.5 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 | 40,233,725 | |
| -1 | -40,233,725 |
Now, we try dividing 40,233,725 by 3:
40,233,725 ÷ 3 = 13,411,241.6667
If the quotient is a whole number, then 3 and 13,411,241.6667 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 | 40,233,725 | |
| -1 | -40,233,725 |
Let's try dividing by 4:
40,233,725 ÷ 4 = 10,058,431.25
If the quotient is a whole number, then 4 and 10,058,431.25 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 | 40,233,725 | |
| -1 | 40,233,725 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 25 | 35 | 149 | 175 | 745 | 1,043 | 1,543 | 3,725 | 5,215 | 7,715 | 10,801 | 26,075 | 38,575 | 54,005 | 229,907 | 270,025 | 1,149,535 | 1,609,349 | 5,747,675 | 8,046,745 | 40,233,725 |
| -1 | -5 | -7 | -25 | -35 | -149 | -175 | -745 | -1,043 | -1,543 | -3,725 | -5,215 | -7,715 | -10,801 | -26,075 | -38,575 | -54,005 | -229,907 | -270,025 | -1,149,535 | -1,609,349 | -5,747,675 | -8,046,745 | -40,233,725 |
Here are some more numbers to try:
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