A:
Positive:
1 x 34516631323 x 15007231173 x 1995181223 x 1547831389 x 8873173979 x 867475129 x 672978947 x 38579
Negative:
-1 x -345166313-23 x -15007231-173 x -1995181-223 x -1547831-389 x -887317-3979 x -86747-5129 x -67297-8947 x -38579
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 345,166,313, 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 | 345,166,313 | |
| -1 | -345,166,313 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 345,166,313.
Example:
1 x 345,166,313 = 345,166,313
and
-1 x -345,166,313 = 345,166,313
Notice both answers equal 345,166,313
With that explanation out of the way, let's continue. Next, we take the number 345,166,313 and divide it by 2:
345,166,313 ÷ 2 = 172,583,156.5
If the quotient is a whole number, then 2 and 172,583,156.5 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 | 345,166,313 | |
| -1 | -345,166,313 |
Now, we try dividing 345,166,313 by 3:
345,166,313 ÷ 3 = 115,055,437.6667
If the quotient is a whole number, then 3 and 115,055,437.6667 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 | 345,166,313 | |
| -1 | -345,166,313 |
Let's try dividing by 4:
345,166,313 ÷ 4 = 86,291,578.25
If the quotient is a whole number, then 4 and 86,291,578.25 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 | 345,166,313 | |
| -1 | 345,166,313 |
If you did it right, you will end up with this table:
| 1 | 23 | 173 | 223 | 389 | 3,979 | 5,129 | 8,947 | 38,579 | 67,297 | 86,747 | 887,317 | 1,547,831 | 1,995,181 | 15,007,231 | 345,166,313 |
| -1 | -23 | -173 | -223 | -389 | -3,979 | -5,129 | -8,947 | -38,579 | -67,297 | -86,747 | -887,317 | -1,547,831 | -1,995,181 | -15,007,231 | -345,166,313 |
Here are some more numbers to try:
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