A:
Positive:
1 x 403740655 x 807481317 x 237494585 x 474989349 x 1156851361 x 296651745 x 231375933 x 6805
Negative:
-1 x -40374065-5 x -8074813-17 x -2374945-85 x -474989-349 x -115685-1361 x -29665-1745 x -23137-5933 x -6805
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 40,374,065, 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 | 40,374,065 | |
| -1 | -40,374,065 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 40,374,065.
Example:
1 x 40,374,065 = 40,374,065
and
-1 x -40,374,065 = 40,374,065
Notice both answers equal 40,374,065
With that explanation out of the way, let's continue. Next, we take the number 40,374,065 and divide it by 2:
40,374,065 ÷ 2 = 20,187,032.5
If the quotient is a whole number, then 2 and 20,187,032.5 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 | 40,374,065 | |
| -1 | -40,374,065 |
Now, we try dividing 40,374,065 by 3:
40,374,065 ÷ 3 = 13,458,021.6667
If the quotient is a whole number, then 3 and 13,458,021.6667 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 | 40,374,065 | |
| -1 | -40,374,065 |
Let's try dividing by 4:
40,374,065 ÷ 4 = 10,093,516.25
If the quotient is a whole number, then 4 and 10,093,516.25 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 | 40,374,065 | |
| -1 | 40,374,065 |
If you did it right, you will end up with this table:
| 1 | 5 | 17 | 85 | 349 | 1,361 | 1,745 | 5,933 | 6,805 | 23,137 | 29,665 | 115,685 | 474,989 | 2,374,945 | 8,074,813 | 40,374,065 |
| -1 | -5 | -17 | -85 | -349 | -1,361 | -1,745 | -5,933 | -6,805 | -23,137 | -29,665 | -115,685 | -474,989 | -2,374,945 | -8,074,813 | -40,374,065 |
Here are some more numbers to try:
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