A:
Positive:
1 x 31304243311 x 2845840331 x 1009814353 x 5906461341 x 918013583 x 5369511643 x 19053117321 x 18073
Negative:
-1 x -313042433-11 x -28458403-31 x -10098143-53 x -5906461-341 x -918013-583 x -536951-1643 x -190531-17321 x -18073
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 313,042,433, 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 | 313,042,433 | |
| -1 | -313,042,433 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 313,042,433.
Example:
1 x 313,042,433 = 313,042,433
and
-1 x -313,042,433 = 313,042,433
Notice both answers equal 313,042,433
With that explanation out of the way, let's continue. Next, we take the number 313,042,433 and divide it by 2:
313,042,433 ÷ 2 = 156,521,216.5
If the quotient is a whole number, then 2 and 156,521,216.5 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 | 313,042,433 | |
| -1 | -313,042,433 |
Now, we try dividing 313,042,433 by 3:
313,042,433 ÷ 3 = 104,347,477.6667
If the quotient is a whole number, then 3 and 104,347,477.6667 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 | 313,042,433 | |
| -1 | -313,042,433 |
Let's try dividing by 4:
313,042,433 ÷ 4 = 78,260,608.25
If the quotient is a whole number, then 4 and 78,260,608.25 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 | 313,042,433 | |
| -1 | 313,042,433 |
If you did it right, you will end up with this table:
| 1 | 11 | 31 | 53 | 341 | 583 | 1,643 | 17,321 | 18,073 | 190,531 | 536,951 | 918,013 | 5,906,461 | 10,098,143 | 28,458,403 | 313,042,433 |
| -1 | -11 | -31 | -53 | -341 | -583 | -1,643 | -17,321 | -18,073 | -190,531 | -536,951 | -918,013 | -5,906,461 | -10,098,143 | -28,458,403 | -313,042,433 |
Here are some more numbers to try:
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