A:
Positive:
1 x 161246755 x 32249357 x 230352525 x 64498735 x 46070549 x 329075175 x 92141245 x 658151225 x 13163
Negative:
-1 x -16124675-5 x -3224935-7 x -2303525-25 x -644987-35 x -460705-49 x -329075-175 x -92141-245 x -65815-1225 x -13163
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 16,124,675, 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 | 16,124,675 | |
| -1 | -16,124,675 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 16,124,675.
Example:
1 x 16,124,675 = 16,124,675
and
-1 x -16,124,675 = 16,124,675
Notice both answers equal 16,124,675
With that explanation out of the way, let's continue. Next, we take the number 16,124,675 and divide it by 2:
16,124,675 ÷ 2 = 8,062,337.5
If the quotient is a whole number, then 2 and 8,062,337.5 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 | 16,124,675 | |
| -1 | -16,124,675 |
Now, we try dividing 16,124,675 by 3:
16,124,675 ÷ 3 = 5,374,891.6667
If the quotient is a whole number, then 3 and 5,374,891.6667 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 | 16,124,675 | |
| -1 | -16,124,675 |
Let's try dividing by 4:
16,124,675 ÷ 4 = 4,031,168.75
If the quotient is a whole number, then 4 and 4,031,168.75 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 | 16,124,675 | |
| -1 | 16,124,675 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 25 | 35 | 49 | 175 | 245 | 1,225 | 13,163 | 65,815 | 92,141 | 329,075 | 460,705 | 644,987 | 2,303,525 | 3,224,935 | 16,124,675 |
| -1 | -5 | -7 | -25 | -35 | -49 | -175 | -245 | -1,225 | -13,163 | -65,815 | -92,141 | -329,075 | -460,705 | -644,987 | -2,303,525 | -3,224,935 | -16,124,675 |
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