A:
Positive:
1 x 17894136137 x 483625343 x 416142747 x 38072631591 x 1124711739 x 1028992021 x 885412393 x 74777
Negative:
-1 x -178941361-37 x -4836253-43 x -4161427-47 x -3807263-1591 x -112471-1739 x -102899-2021 x -88541-2393 x -74777
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 178,941,361, 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 | 178,941,361 | |
| -1 | -178,941,361 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 178,941,361.
Example:
1 x 178,941,361 = 178,941,361
and
-1 x -178,941,361 = 178,941,361
Notice both answers equal 178,941,361
With that explanation out of the way, let's continue. Next, we take the number 178,941,361 and divide it by 2:
178,941,361 ÷ 2 = 89,470,680.5
If the quotient is a whole number, then 2 and 89,470,680.5 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 | 178,941,361 | |
| -1 | -178,941,361 |
Now, we try dividing 178,941,361 by 3:
178,941,361 ÷ 3 = 59,647,120.3333
If the quotient is a whole number, then 3 and 59,647,120.3333 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 | 178,941,361 | |
| -1 | -178,941,361 |
Let's try dividing by 4:
178,941,361 ÷ 4 = 44,735,340.25
If the quotient is a whole number, then 4 and 44,735,340.25 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 | 178,941,361 | |
| -1 | 178,941,361 |
If you did it right, you will end up with this table:
| 1 | 37 | 43 | 47 | 1,591 | 1,739 | 2,021 | 2,393 | 74,777 | 88,541 | 102,899 | 112,471 | 3,807,263 | 4,161,427 | 4,836,253 | 178,941,361 |
| -1 | -37 | -43 | -47 | -1,591 | -1,739 | -2,021 | -2,393 | -74,777 | -88,541 | -102,899 | -112,471 | -3,807,263 | -4,161,427 | -4,836,253 | -178,941,361 |
Here are some more numbers to try:
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