A:
Positive:
1 x 162034255 x 32406857 x 231477525 x 64813735 x 46295553 x 305725175 x 92591265 x 61145371 x 436751325 x 122291747 x 92751855 x 8735
Negative:
-1 x -16203425-5 x -3240685-7 x -2314775-25 x -648137-35 x -462955-53 x -305725-175 x -92591-265 x -61145-371 x -43675-1325 x -12229-1747 x -9275-1855 x -8735
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 16,203,425, 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 | 16,203,425 | |
| -1 | -16,203,425 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 16,203,425.
Example:
1 x 16,203,425 = 16,203,425
and
-1 x -16,203,425 = 16,203,425
Notice both answers equal 16,203,425
With that explanation out of the way, let's continue. Next, we take the number 16,203,425 and divide it by 2:
16,203,425 ÷ 2 = 8,101,712.5
If the quotient is a whole number, then 2 and 8,101,712.5 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 | 16,203,425 | |
| -1 | -16,203,425 |
Now, we try dividing 16,203,425 by 3:
16,203,425 ÷ 3 = 5,401,141.6667
If the quotient is a whole number, then 3 and 5,401,141.6667 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 | 16,203,425 | |
| -1 | -16,203,425 |
Let's try dividing by 4:
16,203,425 ÷ 4 = 4,050,856.25
If the quotient is a whole number, then 4 and 4,050,856.25 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 | 16,203,425 | |
| -1 | 16,203,425 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 25 | 35 | 53 | 175 | 265 | 371 | 1,325 | 1,747 | 1,855 | 8,735 | 9,275 | 12,229 | 43,675 | 61,145 | 92,591 | 305,725 | 462,955 | 648,137 | 2,314,775 | 3,240,685 | 16,203,425 |
| -1 | -5 | -7 | -25 | -35 | -53 | -175 | -265 | -371 | -1,325 | -1,747 | -1,855 | -8,735 | -9,275 | -12,229 | -43,675 | -61,145 | -92,591 | -305,725 | -462,955 | -648,137 | -2,314,775 | -3,240,685 | -16,203,425 |
Here are some more numbers to try:
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