A:
Positive:
1 x 250881477 x 358402123 x 109078949 x 512003113 x 222019161 x 155827197 x 127351791 x 317171127 x 222611379 x 181932599 x 96534531 x 5537
Negative:
-1 x -25088147-7 x -3584021-23 x -1090789-49 x -512003-113 x -222019-161 x -155827-197 x -127351-791 x -31717-1127 x -22261-1379 x -18193-2599 x -9653-4531 x -5537
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 25,088,147, 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 | 25,088,147 | |
| -1 | -25,088,147 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 25,088,147.
Example:
1 x 25,088,147 = 25,088,147
and
-1 x -25,088,147 = 25,088,147
Notice both answers equal 25,088,147
With that explanation out of the way, let's continue. Next, we take the number 25,088,147 and divide it by 2:
25,088,147 ÷ 2 = 12,544,073.5
If the quotient is a whole number, then 2 and 12,544,073.5 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 | 25,088,147 | |
| -1 | -25,088,147 |
Now, we try dividing 25,088,147 by 3:
25,088,147 ÷ 3 = 8,362,715.6667
If the quotient is a whole number, then 3 and 8,362,715.6667 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 | 25,088,147 | |
| -1 | -25,088,147 |
Let's try dividing by 4:
25,088,147 ÷ 4 = 6,272,036.75
If the quotient is a whole number, then 4 and 6,272,036.75 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 | 25,088,147 | |
| -1 | 25,088,147 |
If you did it right, you will end up with this table:
| 1 | 7 | 23 | 49 | 113 | 161 | 197 | 791 | 1,127 | 1,379 | 2,599 | 4,531 | 5,537 | 9,653 | 18,193 | 22,261 | 31,717 | 127,351 | 155,827 | 222,019 | 512,003 | 1,090,789 | 3,584,021 | 25,088,147 |
| -1 | -7 | -23 | -49 | -113 | -161 | -197 | -791 | -1,127 | -1,379 | -2,599 | -4,531 | -5,537 | -9,653 | -18,193 | -22,261 | -31,717 | -127,351 | -155,827 | -222,019 | -512,003 | -1,090,789 | -3,584,021 | -25,088,147 |
Here are some more numbers to try:
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