A:
Positive:
1 x 107868255 x 21573657 x 154097525 x 43147335 x 30819553 x 203525175 x 61639265 x 40705371 x 290751163 x 92751325 x 81411855 x 5815
Negative:
-1 x -10786825-5 x -2157365-7 x -1540975-25 x -431473-35 x -308195-53 x -203525-175 x -61639-265 x -40705-371 x -29075-1163 x -9275-1325 x -8141-1855 x -5815
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 10,786,825, 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 | 10,786,825 | |
| -1 | -10,786,825 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 10,786,825.
Example:
1 x 10,786,825 = 10,786,825
and
-1 x -10,786,825 = 10,786,825
Notice both answers equal 10,786,825
With that explanation out of the way, let's continue. Next, we take the number 10,786,825 and divide it by 2:
10,786,825 ÷ 2 = 5,393,412.5
If the quotient is a whole number, then 2 and 5,393,412.5 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 | 10,786,825 | |
| -1 | -10,786,825 |
Now, we try dividing 10,786,825 by 3:
10,786,825 ÷ 3 = 3,595,608.3333
If the quotient is a whole number, then 3 and 3,595,608.3333 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 | 10,786,825 | |
| -1 | -10,786,825 |
Let's try dividing by 4:
10,786,825 ÷ 4 = 2,696,706.25
If the quotient is a whole number, then 4 and 2,696,706.25 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 | 10,786,825 | |
| -1 | 10,786,825 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 25 | 35 | 53 | 175 | 265 | 371 | 1,163 | 1,325 | 1,855 | 5,815 | 8,141 | 9,275 | 29,075 | 40,705 | 61,639 | 203,525 | 308,195 | 431,473 | 1,540,975 | 2,157,365 | 10,786,825 |
| -1 | -5 | -7 | -25 | -35 | -53 | -175 | -265 | -371 | -1,163 | -1,325 | -1,855 | -5,815 | -8,141 | -9,275 | -29,075 | -40,705 | -61,639 | -203,525 | -308,195 | -431,473 | -1,540,975 | -2,157,365 | -10,786,825 |
Here are some more numbers to try:
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