A:
Positive:
1 x 1761211155 x 35224223151 x 1166365479 x 367685487 x 361645755 x 2332732395 x 735372435 x 72329
Negative:
-1 x -176121115-5 x -35224223-151 x -1166365-479 x -367685-487 x -361645-755 x -233273-2395 x -73537-2435 x -72329
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 176,121,115, 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 | 176,121,115 | |
| -1 | -176,121,115 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 176,121,115.
Example:
1 x 176,121,115 = 176,121,115
and
-1 x -176,121,115 = 176,121,115
Notice both answers equal 176,121,115
With that explanation out of the way, let's continue. Next, we take the number 176,121,115 and divide it by 2:
176,121,115 ÷ 2 = 88,060,557.5
If the quotient is a whole number, then 2 and 88,060,557.5 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 | 176,121,115 | |
| -1 | -176,121,115 |
Now, we try dividing 176,121,115 by 3:
176,121,115 ÷ 3 = 58,707,038.3333
If the quotient is a whole number, then 3 and 58,707,038.3333 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 | 176,121,115 | |
| -1 | -176,121,115 |
Let's try dividing by 4:
176,121,115 ÷ 4 = 44,030,278.75
If the quotient is a whole number, then 4 and 44,030,278.75 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 | 176,121,115 | |
| -1 | 176,121,115 |
If you did it right, you will end up with this table:
| 1 | 5 | 151 | 479 | 487 | 755 | 2,395 | 2,435 | 72,329 | 73,537 | 233,273 | 361,645 | 367,685 | 1,166,365 | 35,224,223 | 176,121,115 |
| -1 | -5 | -151 | -479 | -487 | -755 | -2,395 | -2,435 | -72,329 | -73,537 | -233,273 | -361,645 | -367,685 | -1,166,365 | -35,224,223 | -176,121,115 |
Here are some more numbers to try:
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