A:
Positive:
1 x 157550755 x 31510157 x 225072525 x 63020335 x 450145175 x 90029197 x 79975457 x 34475985 x 159951379 x 114252285 x 68953199 x 4925
Negative:
-1 x -15755075-5 x -3151015-7 x -2250725-25 x -630203-35 x -450145-175 x -90029-197 x -79975-457 x -34475-985 x -15995-1379 x -11425-2285 x -6895-3199 x -4925
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 15,755,075, 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 | 15,755,075 | |
| -1 | -15,755,075 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 15,755,075.
Example:
1 x 15,755,075 = 15,755,075
and
-1 x -15,755,075 = 15,755,075
Notice both answers equal 15,755,075
With that explanation out of the way, let's continue. Next, we take the number 15,755,075 and divide it by 2:
15,755,075 ÷ 2 = 7,877,537.5
If the quotient is a whole number, then 2 and 7,877,537.5 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 | 15,755,075 | |
| -1 | -15,755,075 |
Now, we try dividing 15,755,075 by 3:
15,755,075 ÷ 3 = 5,251,691.6667
If the quotient is a whole number, then 3 and 5,251,691.6667 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 | 15,755,075 | |
| -1 | -15,755,075 |
Let's try dividing by 4:
15,755,075 ÷ 4 = 3,938,768.75
If the quotient is a whole number, then 4 and 3,938,768.75 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 | 15,755,075 | |
| -1 | 15,755,075 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 25 | 35 | 175 | 197 | 457 | 985 | 1,379 | 2,285 | 3,199 | 4,925 | 6,895 | 11,425 | 15,995 | 34,475 | 79,975 | 90,029 | 450,145 | 630,203 | 2,250,725 | 3,151,015 | 15,755,075 |
| -1 | -5 | -7 | -25 | -35 | -175 | -197 | -457 | -985 | -1,379 | -2,285 | -3,199 | -4,925 | -6,895 | -11,425 | -15,995 | -34,475 | -79,975 | -90,029 | -450,145 | -630,203 | -2,250,725 | -3,151,015 | -15,755,075 |
Here are some more numbers to try:
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