A:
Positive:
1 x 3024226711 x 274929731 x 975557131 x 230857341 x 88687677 x 446711441 x 209874061 x 7447
Negative:
-1 x -30242267-11 x -2749297-31 x -975557-131 x -230857-341 x -88687-677 x -44671-1441 x -20987-4061 x -7447
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 30,242,267, 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 | 30,242,267 | |
| -1 | -30,242,267 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 30,242,267.
Example:
1 x 30,242,267 = 30,242,267
and
-1 x -30,242,267 = 30,242,267
Notice both answers equal 30,242,267
With that explanation out of the way, let's continue. Next, we take the number 30,242,267 and divide it by 2:
30,242,267 ÷ 2 = 15,121,133.5
If the quotient is a whole number, then 2 and 15,121,133.5 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 | 30,242,267 | |
| -1 | -30,242,267 |
Now, we try dividing 30,242,267 by 3:
30,242,267 ÷ 3 = 10,080,755.6667
If the quotient is a whole number, then 3 and 10,080,755.6667 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 | 30,242,267 | |
| -1 | -30,242,267 |
Let's try dividing by 4:
30,242,267 ÷ 4 = 7,560,566.75
If the quotient is a whole number, then 4 and 7,560,566.75 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 | 30,242,267 | |
| -1 | 30,242,267 |
If you did it right, you will end up with this table:
| 1 | 11 | 31 | 131 | 341 | 677 | 1,441 | 4,061 | 7,447 | 20,987 | 44,671 | 88,687 | 230,857 | 975,557 | 2,749,297 | 30,242,267 |
| -1 | -11 | -31 | -131 | -341 | -677 | -1,441 | -4,061 | -7,447 | -20,987 | -44,671 | -88,687 | -230,857 | -975,557 | -2,749,297 | -30,242,267 |
Here are some more numbers to try:
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