A:
Positive:
1 x 190290355 x 380580717 x 111935585 x 223871211 x 901851055 x 180371061 x 179353587 x 5305
Negative:
-1 x -19029035-5 x -3805807-17 x -1119355-85 x -223871-211 x -90185-1055 x -18037-1061 x -17935-3587 x -5305
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 19,029,035, 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 | 19,029,035 | |
| -1 | -19,029,035 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 19,029,035.
Example:
1 x 19,029,035 = 19,029,035
and
-1 x -19,029,035 = 19,029,035
Notice both answers equal 19,029,035
With that explanation out of the way, let's continue. Next, we take the number 19,029,035 and divide it by 2:
19,029,035 ÷ 2 = 9,514,517.5
If the quotient is a whole number, then 2 and 9,514,517.5 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 | 19,029,035 | |
| -1 | -19,029,035 |
Now, we try dividing 19,029,035 by 3:
19,029,035 ÷ 3 = 6,343,011.6667
If the quotient is a whole number, then 3 and 6,343,011.6667 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 | 19,029,035 | |
| -1 | -19,029,035 |
Let's try dividing by 4:
19,029,035 ÷ 4 = 4,757,258.75
If the quotient is a whole number, then 4 and 4,757,258.75 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 | 19,029,035 | |
| -1 | 19,029,035 |
If you did it right, you will end up with this table:
| 1 | 5 | 17 | 85 | 211 | 1,055 | 1,061 | 3,587 | 5,305 | 17,935 | 18,037 | 90,185 | 223,871 | 1,119,355 | 3,805,807 | 19,029,035 |
| -1 | -5 | -17 | -85 | -211 | -1,055 | -1,061 | -3,587 | -5,305 | -17,935 | -18,037 | -90,185 | -223,871 | -1,119,355 | -3,805,807 | -19,029,035 |
Here are some more numbers to try:
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