A:
Positive:
1 x 1602347055 x 32046941163 x 983035421 x 380605467 x 343115815 x 1966072105 x 761212335 x 68623
Negative:
-1 x -160234705-5 x -32046941-163 x -983035-421 x -380605-467 x -343115-815 x -196607-2105 x -76121-2335 x -68623
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 160,234,705, 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 | 160,234,705 | |
| -1 | -160,234,705 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 160,234,705.
Example:
1 x 160,234,705 = 160,234,705
and
-1 x -160,234,705 = 160,234,705
Notice both answers equal 160,234,705
With that explanation out of the way, let's continue. Next, we take the number 160,234,705 and divide it by 2:
160,234,705 ÷ 2 = 80,117,352.5
If the quotient is a whole number, then 2 and 80,117,352.5 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 | 160,234,705 | |
| -1 | -160,234,705 |
Now, we try dividing 160,234,705 by 3:
160,234,705 ÷ 3 = 53,411,568.3333
If the quotient is a whole number, then 3 and 53,411,568.3333 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 | 160,234,705 | |
| -1 | -160,234,705 |
Let's try dividing by 4:
160,234,705 ÷ 4 = 40,058,676.25
If the quotient is a whole number, then 4 and 40,058,676.25 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 | 160,234,705 | |
| -1 | 160,234,705 |
If you did it right, you will end up with this table:
| 1 | 5 | 163 | 421 | 467 | 815 | 2,105 | 2,335 | 68,623 | 76,121 | 196,607 | 343,115 | 380,605 | 983,035 | 32,046,941 | 160,234,705 |
| -1 | -5 | -163 | -421 | -467 | -815 | -2,105 | -2,335 | -68,623 | -76,121 | -196,607 | -343,115 | -380,605 | -983,035 | -32,046,941 | -160,234,705 |
Here are some more numbers to try:
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