A:
Positive:
1 x 1684836655 x 336967337 x 2406909535 x 481381997 x 1736945485 x 347389679 x 2481353395 x 49627
Negative:
-1 x -168483665-5 x -33696733-7 x -24069095-35 x -4813819-97 x -1736945-485 x -347389-679 x -248135-3395 x -49627
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 168,483,665, 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 | 168,483,665 | |
| -1 | -168,483,665 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 168,483,665.
Example:
1 x 168,483,665 = 168,483,665
and
-1 x -168,483,665 = 168,483,665
Notice both answers equal 168,483,665
With that explanation out of the way, let's continue. Next, we take the number 168,483,665 and divide it by 2:
168,483,665 ÷ 2 = 84,241,832.5
If the quotient is a whole number, then 2 and 84,241,832.5 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 | 168,483,665 | |
| -1 | -168,483,665 |
Now, we try dividing 168,483,665 by 3:
168,483,665 ÷ 3 = 56,161,221.6667
If the quotient is a whole number, then 3 and 56,161,221.6667 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 | 168,483,665 | |
| -1 | -168,483,665 |
Let's try dividing by 4:
168,483,665 ÷ 4 = 42,120,916.25
If the quotient is a whole number, then 4 and 42,120,916.25 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 | 168,483,665 | |
| -1 | 168,483,665 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 97 | 485 | 679 | 3,395 | 49,627 | 248,135 | 347,389 | 1,736,945 | 4,813,819 | 24,069,095 | 33,696,733 | 168,483,665 |
| -1 | -5 | -7 | -35 | -97 | -485 | -679 | -3,395 | -49,627 | -248,135 | -347,389 | -1,736,945 | -4,813,819 | -24,069,095 | -33,696,733 | -168,483,665 |
Here are some more numbers to try:
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