A:
Positive:
1 x 16331060323 x 710046143 x 379792161 x 2677223989 x 1651271403 x 1164012623 x 622612707 x 60329
Negative:
-1 x -163310603-23 x -7100461-43 x -3797921-61 x -2677223-989 x -165127-1403 x -116401-2623 x -62261-2707 x -60329
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 163,310,603, 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 | 163,310,603 | |
| -1 | -163,310,603 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 163,310,603.
Example:
1 x 163,310,603 = 163,310,603
and
-1 x -163,310,603 = 163,310,603
Notice both answers equal 163,310,603
With that explanation out of the way, let's continue. Next, we take the number 163,310,603 and divide it by 2:
163,310,603 ÷ 2 = 81,655,301.5
If the quotient is a whole number, then 2 and 81,655,301.5 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 | 163,310,603 | |
| -1 | -163,310,603 |
Now, we try dividing 163,310,603 by 3:
163,310,603 ÷ 3 = 54,436,867.6667
If the quotient is a whole number, then 3 and 54,436,867.6667 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 | 163,310,603 | |
| -1 | -163,310,603 |
Let's try dividing by 4:
163,310,603 ÷ 4 = 40,827,650.75
If the quotient is a whole number, then 4 and 40,827,650.75 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 | 163,310,603 | |
| -1 | 163,310,603 |
If you did it right, you will end up with this table:
| 1 | 23 | 43 | 61 | 989 | 1,403 | 2,623 | 2,707 | 60,329 | 62,261 | 116,401 | 165,127 | 2,677,223 | 3,797,921 | 7,100,461 | 163,310,603 |
| -1 | -23 | -43 | -61 | -989 | -1,403 | -2,623 | -2,707 | -60,329 | -62,261 | -116,401 | -165,127 | -2,677,223 | -3,797,921 | -7,100,461 | -163,310,603 |
Here are some more numbers to try:
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