A:
Positive:
1 x 1004701855 x 2009403767 x 1499555335 x 299911443 x 226795677 x 1484052215 x 453593385 x 29681
Negative:
-1 x -100470185-5 x -20094037-67 x -1499555-335 x -299911-443 x -226795-677 x -148405-2215 x -45359-3385 x -29681
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 100,470,185, 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 | 100,470,185 | |
| -1 | -100,470,185 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 100,470,185.
Example:
1 x 100,470,185 = 100,470,185
and
-1 x -100,470,185 = 100,470,185
Notice both answers equal 100,470,185
With that explanation out of the way, let's continue. Next, we take the number 100,470,185 and divide it by 2:
100,470,185 ÷ 2 = 50,235,092.5
If the quotient is a whole number, then 2 and 50,235,092.5 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 | 100,470,185 | |
| -1 | -100,470,185 |
Now, we try dividing 100,470,185 by 3:
100,470,185 ÷ 3 = 33,490,061.6667
If the quotient is a whole number, then 3 and 33,490,061.6667 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 | 100,470,185 | |
| -1 | -100,470,185 |
Let's try dividing by 4:
100,470,185 ÷ 4 = 25,117,546.25
If the quotient is a whole number, then 4 and 25,117,546.25 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 | 100,470,185 | |
| -1 | 100,470,185 |
If you did it right, you will end up with this table:
| 1 | 5 | 67 | 335 | 443 | 677 | 2,215 | 3,385 | 29,681 | 45,359 | 148,405 | 226,795 | 299,911 | 1,499,555 | 20,094,037 | 100,470,185 |
| -1 | -5 | -67 | -335 | -443 | -677 | -2,215 | -3,385 | -29,681 | -45,359 | -148,405 | -226,795 | -299,911 | -1,499,555 | -20,094,037 | -100,470,185 |
Here are some more numbers to try:
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