A:
Positive:
1 x 3455341455 x 6910682911 x 3141219555 x 6282439373 x 9263651865 x 1852734103 x 8421516843 x 20515
Negative:
-1 x -345534145-5 x -69106829-11 x -31412195-55 x -6282439-373 x -926365-1865 x -185273-4103 x -84215-16843 x -20515
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 345,534,145, 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 | 345,534,145 | |
| -1 | -345,534,145 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 345,534,145.
Example:
1 x 345,534,145 = 345,534,145
and
-1 x -345,534,145 = 345,534,145
Notice both answers equal 345,534,145
With that explanation out of the way, let's continue. Next, we take the number 345,534,145 and divide it by 2:
345,534,145 ÷ 2 = 172,767,072.5
If the quotient is a whole number, then 2 and 172,767,072.5 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 | 345,534,145 | |
| -1 | -345,534,145 |
Now, we try dividing 345,534,145 by 3:
345,534,145 ÷ 3 = 115,178,048.3333
If the quotient is a whole number, then 3 and 115,178,048.3333 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 | 345,534,145 | |
| -1 | -345,534,145 |
Let's try dividing by 4:
345,534,145 ÷ 4 = 86,383,536.25
If the quotient is a whole number, then 4 and 86,383,536.25 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 | 345,534,145 | |
| -1 | 345,534,145 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 55 | 373 | 1,865 | 4,103 | 16,843 | 20,515 | 84,215 | 185,273 | 926,365 | 6,282,439 | 31,412,195 | 69,106,829 | 345,534,145 |
| -1 | -5 | -11 | -55 | -373 | -1,865 | -4,103 | -16,843 | -20,515 | -84,215 | -185,273 | -926,365 | -6,282,439 | -31,412,195 | -69,106,829 | -345,534,145 |
Here are some more numbers to try:
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