A:
Positive:
1 x 4011091919 x 211110123 x 1743953263 x 152513349 x 114931437 x 917874997 x 80276049 x 6631
Negative:
-1 x -40110919-19 x -2111101-23 x -1743953-263 x -152513-349 x -114931-437 x -91787-4997 x -8027-6049 x -6631
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 40,110,919, 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 | 40,110,919 | |
| -1 | -40,110,919 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 40,110,919.
Example:
1 x 40,110,919 = 40,110,919
and
-1 x -40,110,919 = 40,110,919
Notice both answers equal 40,110,919
With that explanation out of the way, let's continue. Next, we take the number 40,110,919 and divide it by 2:
40,110,919 ÷ 2 = 20,055,459.5
If the quotient is a whole number, then 2 and 20,055,459.5 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 | 40,110,919 | |
| -1 | -40,110,919 |
Now, we try dividing 40,110,919 by 3:
40,110,919 ÷ 3 = 13,370,306.3333
If the quotient is a whole number, then 3 and 13,370,306.3333 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 | 40,110,919 | |
| -1 | -40,110,919 |
Let's try dividing by 4:
40,110,919 ÷ 4 = 10,027,729.75
If the quotient is a whole number, then 4 and 10,027,729.75 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 | 40,110,919 | |
| -1 | 40,110,919 |
If you did it right, you will end up with this table:
| 1 | 19 | 23 | 263 | 349 | 437 | 4,997 | 6,049 | 6,631 | 8,027 | 91,787 | 114,931 | 152,513 | 1,743,953 | 2,111,101 | 40,110,919 |
| -1 | -19 | -23 | -263 | -349 | -437 | -4,997 | -6,049 | -6,631 | -8,027 | -91,787 | -114,931 | -152,513 | -1,743,953 | -2,111,101 | -40,110,919 |
Here are some more numbers to try:
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