A:
Positive:
1 x 171309255 x 34261857 x 244727525 x 68523735 x 48945553 x 323225175 x 97891265 x 64645371 x 461751325 x 129291847 x 92751855 x 9235
Negative:
-1 x -17130925-5 x -3426185-7 x -2447275-25 x -685237-35 x -489455-53 x -323225-175 x -97891-265 x -64645-371 x -46175-1325 x -12929-1847 x -9275-1855 x -9235
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 17,130,925, 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 | 17,130,925 | |
| -1 | -17,130,925 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 17,130,925.
Example:
1 x 17,130,925 = 17,130,925
and
-1 x -17,130,925 = 17,130,925
Notice both answers equal 17,130,925
With that explanation out of the way, let's continue. Next, we take the number 17,130,925 and divide it by 2:
17,130,925 ÷ 2 = 8,565,462.5
If the quotient is a whole number, then 2 and 8,565,462.5 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 | 17,130,925 | |
| -1 | -17,130,925 |
Now, we try dividing 17,130,925 by 3:
17,130,925 ÷ 3 = 5,710,308.3333
If the quotient is a whole number, then 3 and 5,710,308.3333 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 | 17,130,925 | |
| -1 | -17,130,925 |
Let's try dividing by 4:
17,130,925 ÷ 4 = 4,282,731.25
If the quotient is a whole number, then 4 and 4,282,731.25 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 | 17,130,925 | |
| -1 | 17,130,925 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 25 | 35 | 53 | 175 | 265 | 371 | 1,325 | 1,847 | 1,855 | 9,235 | 9,275 | 12,929 | 46,175 | 64,645 | 97,891 | 323,225 | 489,455 | 685,237 | 2,447,275 | 3,426,185 | 17,130,925 |
| -1 | -5 | -7 | -25 | -35 | -53 | -175 | -265 | -371 | -1,325 | -1,847 | -1,855 | -9,235 | -9,275 | -12,929 | -46,175 | -64,645 | -97,891 | -323,225 | -489,455 | -685,237 | -2,447,275 | -3,426,185 | -17,130,925 |
Here are some more numbers to try:
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