A:
Positive:
1 x 16053238719 x 844907323 x 6979669211 x 760817437 x 3673511741 x 922074009 x 400434853 x 33079
Negative:
-1 x -160532387-19 x -8449073-23 x -6979669-211 x -760817-437 x -367351-1741 x -92207-4009 x -40043-4853 x -33079
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 160,532,387, 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 | 160,532,387 | |
| -1 | -160,532,387 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 160,532,387.
Example:
1 x 160,532,387 = 160,532,387
and
-1 x -160,532,387 = 160,532,387
Notice both answers equal 160,532,387
With that explanation out of the way, let's continue. Next, we take the number 160,532,387 and divide it by 2:
160,532,387 ÷ 2 = 80,266,193.5
If the quotient is a whole number, then 2 and 80,266,193.5 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 | 160,532,387 | |
| -1 | -160,532,387 |
Now, we try dividing 160,532,387 by 3:
160,532,387 ÷ 3 = 53,510,795.6667
If the quotient is a whole number, then 3 and 53,510,795.6667 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 | 160,532,387 | |
| -1 | -160,532,387 |
Let's try dividing by 4:
160,532,387 ÷ 4 = 40,133,096.75
If the quotient is a whole number, then 4 and 40,133,096.75 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 | 160,532,387 | |
| -1 | 160,532,387 |
If you did it right, you will end up with this table:
| 1 | 19 | 23 | 211 | 437 | 1,741 | 4,009 | 4,853 | 33,079 | 40,043 | 92,207 | 367,351 | 760,817 | 6,979,669 | 8,449,073 | 160,532,387 |
| -1 | -19 | -23 | -211 | -437 | -1,741 | -4,009 | -4,853 | -33,079 | -40,043 | -92,207 | -367,351 | -760,817 | -6,979,669 | -8,449,073 | -160,532,387 |
Here are some more numbers to try:
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