A:
Positive:
1 x 1224555255 x 2449110525 x 4898221131 x 934775139 x 880975269 x 455225655 x 186955695 x 1761951345 x 910453275 x 373913475 x 352396725 x 18209
Negative:
-1 x -122455525-5 x -24491105-25 x -4898221-131 x -934775-139 x -880975-269 x -455225-655 x -186955-695 x -176195-1345 x -91045-3275 x -37391-3475 x -35239-6725 x -18209
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 122,455,525, 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 | 122,455,525 | |
| -1 | -122,455,525 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 122,455,525.
Example:
1 x 122,455,525 = 122,455,525
and
-1 x -122,455,525 = 122,455,525
Notice both answers equal 122,455,525
With that explanation out of the way, let's continue. Next, we take the number 122,455,525 and divide it by 2:
122,455,525 ÷ 2 = 61,227,762.5
If the quotient is a whole number, then 2 and 61,227,762.5 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 | 122,455,525 | |
| -1 | -122,455,525 |
Now, we try dividing 122,455,525 by 3:
122,455,525 ÷ 3 = 40,818,508.3333
If the quotient is a whole number, then 3 and 40,818,508.3333 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 | 122,455,525 | |
| -1 | -122,455,525 |
Let's try dividing by 4:
122,455,525 ÷ 4 = 30,613,881.25
If the quotient is a whole number, then 4 and 30,613,881.25 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 | 122,455,525 | |
| -1 | 122,455,525 |
If you did it right, you will end up with this table:
| 1 | 5 | 25 | 131 | 139 | 269 | 655 | 695 | 1,345 | 3,275 | 3,475 | 6,725 | 18,209 | 35,239 | 37,391 | 91,045 | 176,195 | 186,955 | 455,225 | 880,975 | 934,775 | 4,898,221 | 24,491,105 | 122,455,525 |
| -1 | -5 | -25 | -131 | -139 | -269 | -655 | -695 | -1,345 | -3,275 | -3,475 | -6,725 | -18,209 | -35,239 | -37,391 | -91,045 | -176,195 | -186,955 | -455,225 | -880,975 | -934,775 | -4,898,221 | -24,491,105 | -122,455,525 |
Here are some more numbers to try:
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