A:
Positive:
1 x 72416836713 x 5570525929 x 24971323151 x 4795817377 x 19208711963 x 3689094379 x 16537312721 x 56927
Negative:
-1 x -724168367-13 x -55705259-29 x -24971323-151 x -4795817-377 x -1920871-1963 x -368909-4379 x -165373-12721 x -56927
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 724,168,367, 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 | 724,168,367 | |
| -1 | -724,168,367 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 724,168,367.
Example:
1 x 724,168,367 = 724,168,367
and
-1 x -724,168,367 = 724,168,367
Notice both answers equal 724,168,367
With that explanation out of the way, let's continue. Next, we take the number 724,168,367 and divide it by 2:
724,168,367 ÷ 2 = 362,084,183.5
If the quotient is a whole number, then 2 and 362,084,183.5 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 | 724,168,367 | |
| -1 | -724,168,367 |
Now, we try dividing 724,168,367 by 3:
724,168,367 ÷ 3 = 241,389,455.6667
If the quotient is a whole number, then 3 and 241,389,455.6667 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 | 724,168,367 | |
| -1 | -724,168,367 |
Let's try dividing by 4:
724,168,367 ÷ 4 = 181,042,091.75
If the quotient is a whole number, then 4 and 181,042,091.75 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 | 724,168,367 | |
| -1 | 724,168,367 |
If you did it right, you will end up with this table:
| 1 | 13 | 29 | 151 | 377 | 1,963 | 4,379 | 12,721 | 56,927 | 165,373 | 368,909 | 1,920,871 | 4,795,817 | 24,971,323 | 55,705,259 | 724,168,367 |
| -1 | -13 | -29 | -151 | -377 | -1,963 | -4,379 | -12,721 | -56,927 | -165,373 | -368,909 | -1,920,871 | -4,795,817 | -24,971,323 | -55,705,259 | -724,168,367 |
Here are some more numbers to try:
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