A:
Positive:
1 x 253181755 x 506363525 x 101272737 x 684275101 x 250675185 x 136855271 x 93425505 x 50135925 x 273711355 x 186852525 x 100273737 x 6775
Negative:
-1 x -25318175-5 x -5063635-25 x -1012727-37 x -684275-101 x -250675-185 x -136855-271 x -93425-505 x -50135-925 x -27371-1355 x -18685-2525 x -10027-3737 x -6775
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 25,318,175, 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 | 25,318,175 | |
| -1 | -25,318,175 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 25,318,175.
Example:
1 x 25,318,175 = 25,318,175
and
-1 x -25,318,175 = 25,318,175
Notice both answers equal 25,318,175
With that explanation out of the way, let's continue. Next, we take the number 25,318,175 and divide it by 2:
25,318,175 ÷ 2 = 12,659,087.5
If the quotient is a whole number, then 2 and 12,659,087.5 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 | 25,318,175 | |
| -1 | -25,318,175 |
Now, we try dividing 25,318,175 by 3:
25,318,175 ÷ 3 = 8,439,391.6667
If the quotient is a whole number, then 3 and 8,439,391.6667 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 | 25,318,175 | |
| -1 | -25,318,175 |
Let's try dividing by 4:
25,318,175 ÷ 4 = 6,329,543.75
If the quotient is a whole number, then 4 and 6,329,543.75 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 | 25,318,175 | |
| -1 | 25,318,175 |
If you did it right, you will end up with this table:
| 1 | 5 | 25 | 37 | 101 | 185 | 271 | 505 | 925 | 1,355 | 2,525 | 3,737 | 6,775 | 10,027 | 18,685 | 27,371 | 50,135 | 93,425 | 136,855 | 250,675 | 684,275 | 1,012,727 | 5,063,635 | 25,318,175 |
| -1 | -5 | -25 | -37 | -101 | -185 | -271 | -505 | -925 | -1,355 | -2,525 | -3,737 | -6,775 | -10,027 | -18,685 | -27,371 | -50,135 | -93,425 | -136,855 | -250,675 | -684,275 | -1,012,727 | -5,063,635 | -25,318,175 |
Here are some more numbers to try:
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