A:
Positive:
1 x 307765255 x 615530513 x 236742525 x 123106165 x 473485281 x 109525325 x 94697337 x 913251405 x 219051685 x 182653653 x 84254381 x 7025
Negative:
-1 x -30776525-5 x -6155305-13 x -2367425-25 x -1231061-65 x -473485-281 x -109525-325 x -94697-337 x -91325-1405 x -21905-1685 x -18265-3653 x -8425-4381 x -7025
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 30,776,525, 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 | 30,776,525 | |
| -1 | -30,776,525 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 30,776,525.
Example:
1 x 30,776,525 = 30,776,525
and
-1 x -30,776,525 = 30,776,525
Notice both answers equal 30,776,525
With that explanation out of the way, let's continue. Next, we take the number 30,776,525 and divide it by 2:
30,776,525 ÷ 2 = 15,388,262.5
If the quotient is a whole number, then 2 and 15,388,262.5 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 | 30,776,525 | |
| -1 | -30,776,525 |
Now, we try dividing 30,776,525 by 3:
30,776,525 ÷ 3 = 10,258,841.6667
If the quotient is a whole number, then 3 and 10,258,841.6667 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 | 30,776,525 | |
| -1 | -30,776,525 |
Let's try dividing by 4:
30,776,525 ÷ 4 = 7,694,131.25
If the quotient is a whole number, then 4 and 7,694,131.25 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 | 30,776,525 | |
| -1 | 30,776,525 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 25 | 65 | 281 | 325 | 337 | 1,405 | 1,685 | 3,653 | 4,381 | 7,025 | 8,425 | 18,265 | 21,905 | 91,325 | 94,697 | 109,525 | 473,485 | 1,231,061 | 2,367,425 | 6,155,305 | 30,776,525 |
| -1 | -5 | -13 | -25 | -65 | -281 | -325 | -337 | -1,405 | -1,685 | -3,653 | -4,381 | -7,025 | -8,425 | -18,265 | -21,905 | -91,325 | -94,697 | -109,525 | -473,485 | -1,231,061 | -2,367,425 | -6,155,305 | -30,776,525 |
Here are some more numbers to try:
Try the factor calculator