A:
Positive:
1 x 13325047719 x 701318323 x 579349973 x 1825349437 x 3049211387 x 960711679 x 793634177 x 31901
Negative:
-1 x -133250477-19 x -7013183-23 x -5793499-73 x -1825349-437 x -304921-1387 x -96071-1679 x -79363-4177 x -31901
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 133,250,477, 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 | 133,250,477 | |
| -1 | -133,250,477 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 133,250,477.
Example:
1 x 133,250,477 = 133,250,477
and
-1 x -133,250,477 = 133,250,477
Notice both answers equal 133,250,477
With that explanation out of the way, let's continue. Next, we take the number 133,250,477 and divide it by 2:
133,250,477 ÷ 2 = 66,625,238.5
If the quotient is a whole number, then 2 and 66,625,238.5 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 | 133,250,477 | |
| -1 | -133,250,477 |
Now, we try dividing 133,250,477 by 3:
133,250,477 ÷ 3 = 44,416,825.6667
If the quotient is a whole number, then 3 and 44,416,825.6667 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 | 133,250,477 | |
| -1 | -133,250,477 |
Let's try dividing by 4:
133,250,477 ÷ 4 = 33,312,619.25
If the quotient is a whole number, then 4 and 33,312,619.25 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 | 133,250,477 | |
| -1 | 133,250,477 |
If you did it right, you will end up with this table:
| 1 | 19 | 23 | 73 | 437 | 1,387 | 1,679 | 4,177 | 31,901 | 79,363 | 96,071 | 304,921 | 1,825,349 | 5,793,499 | 7,013,183 | 133,250,477 |
| -1 | -19 | -23 | -73 | -437 | -1,387 | -1,679 | -4,177 | -31,901 | -79,363 | -96,071 | -304,921 | -1,825,349 | -5,793,499 | -7,013,183 | -133,250,477 |
Here are some more numbers to try:
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