A:
Positive:
1 x 7314237 x 10448911 x 6649323 x 3180149 x 1492759 x 1239777 x 9499161 x 4543253 x 2891413 x 1771539 x 1357649 x 1127
Negative:
-1 x -731423-7 x -104489-11 x -66493-23 x -31801-49 x -14927-59 x -12397-77 x -9499-161 x -4543-253 x -2891-413 x -1771-539 x -1357-649 x -1127
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 731,423, 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 | 731,423 | |
| -1 | -731,423 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 731,423.
Example:
1 x 731,423 = 731,423
and
-1 x -731,423 = 731,423
Notice both answers equal 731,423
With that explanation out of the way, let's continue. Next, we take the number 731,423 and divide it by 2:
731,423 ÷ 2 = 365,711.5
If the quotient is a whole number, then 2 and 365,711.5 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 | 731,423 | |
| -1 | -731,423 |
Now, we try dividing 731,423 by 3:
731,423 ÷ 3 = 243,807.6667
If the quotient is a whole number, then 3 and 243,807.6667 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 | 731,423 | |
| -1 | -731,423 |
Let's try dividing by 4:
731,423 ÷ 4 = 182,855.75
If the quotient is a whole number, then 4 and 182,855.75 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 | 731,423 | |
| -1 | 731,423 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 23 | 49 | 59 | 77 | 161 | 253 | 413 | 539 | 649 | 1,127 | 1,357 | 1,771 | 2,891 | 4,543 | 9,499 | 12,397 | 14,927 | 31,801 | 66,493 | 104,489 | 731,423 |
| -1 | -7 | -11 | -23 | -49 | -59 | -77 | -161 | -253 | -413 | -539 | -649 | -1,127 | -1,357 | -1,771 | -2,891 | -4,543 | -9,499 | -12,397 | -14,927 | -31,801 | -66,493 | -104,489 | -731,423 |
Here are some more numbers to try:
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