A:
Positive:
1 x 367210455 x 7344209103 x 356515113 x 324965515 x 71303565 x 64993631 x 581953155 x 11639
Negative:
-1 x -36721045-5 x -7344209-103 x -356515-113 x -324965-515 x -71303-565 x -64993-631 x -58195-3155 x -11639
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 36,721,045, 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 | 36,721,045 | |
| -1 | -36,721,045 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 36,721,045.
Example:
1 x 36,721,045 = 36,721,045
and
-1 x -36,721,045 = 36,721,045
Notice both answers equal 36,721,045
With that explanation out of the way, let's continue. Next, we take the number 36,721,045 and divide it by 2:
36,721,045 ÷ 2 = 18,360,522.5
If the quotient is a whole number, then 2 and 18,360,522.5 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 | 36,721,045 | |
| -1 | -36,721,045 |
Now, we try dividing 36,721,045 by 3:
36,721,045 ÷ 3 = 12,240,348.3333
If the quotient is a whole number, then 3 and 12,240,348.3333 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 | 36,721,045 | |
| -1 | -36,721,045 |
Let's try dividing by 4:
36,721,045 ÷ 4 = 9,180,261.25
If the quotient is a whole number, then 4 and 9,180,261.25 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 | 36,721,045 | |
| -1 | 36,721,045 |
If you did it right, you will end up with this table:
| 1 | 5 | 103 | 113 | 515 | 565 | 631 | 3,155 | 11,639 | 58,195 | 64,993 | 71,303 | 324,965 | 356,515 | 7,344,209 | 36,721,045 |
| -1 | -5 | -103 | -113 | -515 | -565 | -631 | -3,155 | -11,639 | -58,195 | -64,993 | -71,303 | -324,965 | -356,515 | -7,344,209 | -36,721,045 |
Here are some more numbers to try:
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