A:
Positive:
1 x 2577443755 x 515488757 x 3682062525 x 1030977535 x 7364125125 x 2061955175 x 1472825625 x 412391875 x 2945654375 x 58913
Negative:
-1 x -257744375-5 x -51548875-7 x -36820625-25 x -10309775-35 x -7364125-125 x -2061955-175 x -1472825-625 x -412391-875 x -294565-4375 x -58913
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 257,744,375, 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 | 257,744,375 | |
| -1 | -257,744,375 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 257,744,375.
Example:
1 x 257,744,375 = 257,744,375
and
-1 x -257,744,375 = 257,744,375
Notice both answers equal 257,744,375
With that explanation out of the way, let's continue. Next, we take the number 257,744,375 and divide it by 2:
257,744,375 ÷ 2 = 128,872,187.5
If the quotient is a whole number, then 2 and 128,872,187.5 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 | 257,744,375 | |
| -1 | -257,744,375 |
Now, we try dividing 257,744,375 by 3:
257,744,375 ÷ 3 = 85,914,791.6667
If the quotient is a whole number, then 3 and 85,914,791.6667 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 | 257,744,375 | |
| -1 | -257,744,375 |
Let's try dividing by 4:
257,744,375 ÷ 4 = 64,436,093.75
If the quotient is a whole number, then 4 and 64,436,093.75 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 | 257,744,375 | |
| -1 | 257,744,375 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 25 | 35 | 125 | 175 | 625 | 875 | 4,375 | 58,913 | 294,565 | 412,391 | 1,472,825 | 2,061,955 | 7,364,125 | 10,309,775 | 36,820,625 | 51,548,875 | 257,744,375 |
| -1 | -5 | -7 | -25 | -35 | -125 | -175 | -625 | -875 | -4,375 | -58,913 | -294,565 | -412,391 | -1,472,825 | -2,061,955 | -7,364,125 | -10,309,775 | -36,820,625 | -51,548,875 | -257,744,375 |
Here are some more numbers to try:
Try the factor calculator