A:
Positive:
1 x 3355120155 x 6710240343 x 780260573 x 4596055215 x 1560521365 x 9192113139 x 10688515695 x 21377
Negative:
-1 x -335512015-5 x -67102403-43 x -7802605-73 x -4596055-215 x -1560521-365 x -919211-3139 x -106885-15695 x -21377
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 335,512,015, 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 | 335,512,015 | |
| -1 | -335,512,015 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 335,512,015.
Example:
1 x 335,512,015 = 335,512,015
and
-1 x -335,512,015 = 335,512,015
Notice both answers equal 335,512,015
With that explanation out of the way, let's continue. Next, we take the number 335,512,015 and divide it by 2:
335,512,015 ÷ 2 = 167,756,007.5
If the quotient is a whole number, then 2 and 167,756,007.5 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 | 335,512,015 | |
| -1 | -335,512,015 |
Now, we try dividing 335,512,015 by 3:
335,512,015 ÷ 3 = 111,837,338.3333
If the quotient is a whole number, then 3 and 111,837,338.3333 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 | 335,512,015 | |
| -1 | -335,512,015 |
Let's try dividing by 4:
335,512,015 ÷ 4 = 83,878,003.75
If the quotient is a whole number, then 4 and 83,878,003.75 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 | 335,512,015 | |
| -1 | 335,512,015 |
If you did it right, you will end up with this table:
| 1 | 5 | 43 | 73 | 215 | 365 | 3,139 | 15,695 | 21,377 | 106,885 | 919,211 | 1,560,521 | 4,596,055 | 7,802,605 | 67,102,403 | 335,512,015 |
| -1 | -5 | -43 | -73 | -215 | -365 | -3,139 | -15,695 | -21,377 | -106,885 | -919,211 | -1,560,521 | -4,596,055 | -7,802,605 | -67,102,403 | -335,512,015 |
Here are some more numbers to try:
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