A:
Positive:
1 x 168002355 x 336004723 x 730445115 x 146089139 x 120865695 x 241731051 x 159853197 x 5255
Negative:
-1 x -16800235-5 x -3360047-23 x -730445-115 x -146089-139 x -120865-695 x -24173-1051 x -15985-3197 x -5255
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 16,800,235, 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 | 16,800,235 | |
| -1 | -16,800,235 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 16,800,235.
Example:
1 x 16,800,235 = 16,800,235
and
-1 x -16,800,235 = 16,800,235
Notice both answers equal 16,800,235
With that explanation out of the way, let's continue. Next, we take the number 16,800,235 and divide it by 2:
16,800,235 ÷ 2 = 8,400,117.5
If the quotient is a whole number, then 2 and 8,400,117.5 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 | 16,800,235 | |
| -1 | -16,800,235 |
Now, we try dividing 16,800,235 by 3:
16,800,235 ÷ 3 = 5,600,078.3333
If the quotient is a whole number, then 3 and 5,600,078.3333 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 | 16,800,235 | |
| -1 | -16,800,235 |
Let's try dividing by 4:
16,800,235 ÷ 4 = 4,200,058.75
If the quotient is a whole number, then 4 and 4,200,058.75 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 | 16,800,235 | |
| -1 | 16,800,235 |
If you did it right, you will end up with this table:
| 1 | 5 | 23 | 115 | 139 | 695 | 1,051 | 3,197 | 5,255 | 15,985 | 24,173 | 120,865 | 146,089 | 730,445 | 3,360,047 | 16,800,235 |
| -1 | -5 | -23 | -115 | -139 | -695 | -1,051 | -3,197 | -5,255 | -15,985 | -24,173 | -120,865 | -146,089 | -730,445 | -3,360,047 | -16,800,235 |
Here are some more numbers to try:
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