A:
Positive:
1 x 1223431255 x 2446862525 x 489372561 x 2005625125 x 978745305 x 401125625 x 1957491525 x 802253209 x 381257625 x 16045
Negative:
-1 x -122343125-5 x -24468625-25 x -4893725-61 x -2005625-125 x -978745-305 x -401125-625 x -195749-1525 x -80225-3209 x -38125-7625 x -16045
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 122,343,125, 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 | 122,343,125 | |
| -1 | -122,343,125 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 122,343,125.
Example:
1 x 122,343,125 = 122,343,125
and
-1 x -122,343,125 = 122,343,125
Notice both answers equal 122,343,125
With that explanation out of the way, let's continue. Next, we take the number 122,343,125 and divide it by 2:
122,343,125 ÷ 2 = 61,171,562.5
If the quotient is a whole number, then 2 and 61,171,562.5 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 | 122,343,125 | |
| -1 | -122,343,125 |
Now, we try dividing 122,343,125 by 3:
122,343,125 ÷ 3 = 40,781,041.6667
If the quotient is a whole number, then 3 and 40,781,041.6667 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 | 122,343,125 | |
| -1 | -122,343,125 |
Let's try dividing by 4:
122,343,125 ÷ 4 = 30,585,781.25
If the quotient is a whole number, then 4 and 30,585,781.25 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 | 122,343,125 | |
| -1 | 122,343,125 |
If you did it right, you will end up with this table:
| 1 | 5 | 25 | 61 | 125 | 305 | 625 | 1,525 | 3,209 | 7,625 | 16,045 | 38,125 | 80,225 | 195,749 | 401,125 | 978,745 | 2,005,625 | 4,893,725 | 24,468,625 | 122,343,125 |
| -1 | -5 | -25 | -61 | -125 | -305 | -625 | -1,525 | -3,209 | -7,625 | -16,045 | -38,125 | -80,225 | -195,749 | -401,125 | -978,745 | -2,005,625 | -4,893,725 | -24,468,625 | -122,343,125 |
Here are some more numbers to try:
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