A:
Positive:
1 x 286060255 x 57212057 x 408657525 x 114424131 x 92277535 x 817315155 x 184555175 x 163463217 x 131825775 x 369111085 x 263655273 x 5425
Negative:
-1 x -28606025-5 x -5721205-7 x -4086575-25 x -1144241-31 x -922775-35 x -817315-155 x -184555-175 x -163463-217 x -131825-775 x -36911-1085 x -26365-5273 x -5425
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 28,606,025, 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 | 28,606,025 | |
| -1 | -28,606,025 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 28,606,025.
Example:
1 x 28,606,025 = 28,606,025
and
-1 x -28,606,025 = 28,606,025
Notice both answers equal 28,606,025
With that explanation out of the way, let's continue. Next, we take the number 28,606,025 and divide it by 2:
28,606,025 ÷ 2 = 14,303,012.5
If the quotient is a whole number, then 2 and 14,303,012.5 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 | 28,606,025 | |
| -1 | -28,606,025 |
Now, we try dividing 28,606,025 by 3:
28,606,025 ÷ 3 = 9,535,341.6667
If the quotient is a whole number, then 3 and 9,535,341.6667 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 | 28,606,025 | |
| -1 | -28,606,025 |
Let's try dividing by 4:
28,606,025 ÷ 4 = 7,151,506.25
If the quotient is a whole number, then 4 and 7,151,506.25 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 | 28,606,025 | |
| -1 | 28,606,025 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 25 | 31 | 35 | 155 | 175 | 217 | 775 | 1,085 | 5,273 | 5,425 | 26,365 | 36,911 | 131,825 | 163,463 | 184,555 | 817,315 | 922,775 | 1,144,241 | 4,086,575 | 5,721,205 | 28,606,025 |
| -1 | -5 | -7 | -25 | -31 | -35 | -155 | -175 | -217 | -775 | -1,085 | -5,273 | -5,425 | -26,365 | -36,911 | -131,825 | -163,463 | -184,555 | -817,315 | -922,775 | -1,144,241 | -4,086,575 | -5,721,205 | -28,606,025 |
Here are some more numbers to try:
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