A:
Positive:
1 x 40524653337 x 1095260953 x 7646161197 x 20570891049 x 3863171961 x 2066537289 x 5559710441 x 38813
Negative:
-1 x -405246533-37 x -10952609-53 x -7646161-197 x -2057089-1049 x -386317-1961 x -206653-7289 x -55597-10441 x -38813
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 405,246,533, 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 | 405,246,533 | |
| -1 | -405,246,533 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 405,246,533.
Example:
1 x 405,246,533 = 405,246,533
and
-1 x -405,246,533 = 405,246,533
Notice both answers equal 405,246,533
With that explanation out of the way, let's continue. Next, we take the number 405,246,533 and divide it by 2:
405,246,533 ÷ 2 = 202,623,266.5
If the quotient is a whole number, then 2 and 202,623,266.5 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 | 405,246,533 | |
| -1 | -405,246,533 |
Now, we try dividing 405,246,533 by 3:
405,246,533 ÷ 3 = 135,082,177.6667
If the quotient is a whole number, then 3 and 135,082,177.6667 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 | 405,246,533 | |
| -1 | -405,246,533 |
Let's try dividing by 4:
405,246,533 ÷ 4 = 101,311,633.25
If the quotient is a whole number, then 4 and 101,311,633.25 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 | 405,246,533 | |
| -1 | 405,246,533 |
If you did it right, you will end up with this table:
| 1 | 37 | 53 | 197 | 1,049 | 1,961 | 7,289 | 10,441 | 38,813 | 55,597 | 206,653 | 386,317 | 2,057,089 | 7,646,161 | 10,952,609 | 405,246,533 |
| -1 | -37 | -53 | -197 | -1,049 | -1,961 | -7,289 | -10,441 | -38,813 | -55,597 | -206,653 | -386,317 | -2,057,089 | -7,646,161 | -10,952,609 | -405,246,533 |
Here are some more numbers to try:
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