A:
Positive:
1 x 1633366155 x 3266732313 x 1256435565 x 2512871887 x 1841452833 x 576554435 x 3682911531 x 14165
Negative:
-1 x -163336615-5 x -32667323-13 x -12564355-65 x -2512871-887 x -184145-2833 x -57655-4435 x -36829-11531 x -14165
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 163,336,615, 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 | 163,336,615 | |
| -1 | -163,336,615 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 163,336,615.
Example:
1 x 163,336,615 = 163,336,615
and
-1 x -163,336,615 = 163,336,615
Notice both answers equal 163,336,615
With that explanation out of the way, let's continue. Next, we take the number 163,336,615 and divide it by 2:
163,336,615 ÷ 2 = 81,668,307.5
If the quotient is a whole number, then 2 and 81,668,307.5 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 | 163,336,615 | |
| -1 | -163,336,615 |
Now, we try dividing 163,336,615 by 3:
163,336,615 ÷ 3 = 54,445,538.3333
If the quotient is a whole number, then 3 and 54,445,538.3333 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 | 163,336,615 | |
| -1 | -163,336,615 |
Let's try dividing by 4:
163,336,615 ÷ 4 = 40,834,153.75
If the quotient is a whole number, then 4 and 40,834,153.75 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 | 163,336,615 | |
| -1 | 163,336,615 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 65 | 887 | 2,833 | 4,435 | 11,531 | 14,165 | 36,829 | 57,655 | 184,145 | 2,512,871 | 12,564,355 | 32,667,323 | 163,336,615 |
| -1 | -5 | -13 | -65 | -887 | -2,833 | -4,435 | -11,531 | -14,165 | -36,829 | -57,655 | -184,145 | -2,512,871 | -12,564,355 | -32,667,323 | -163,336,615 |
Here are some more numbers to try:
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