A:
Positive:
1 x 120291717 x 171845311 x 109356129 x 41479977 x 156223203 x 59257319 x 377092233 x 5387
Negative:
-1 x -12029171-7 x -1718453-11 x -1093561-29 x -414799-77 x -156223-203 x -59257-319 x -37709-2233 x -5387
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 12,029,171, 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 | 12,029,171 | |
| -1 | -12,029,171 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 12,029,171.
Example:
1 x 12,029,171 = 12,029,171
and
-1 x -12,029,171 = 12,029,171
Notice both answers equal 12,029,171
With that explanation out of the way, let's continue. Next, we take the number 12,029,171 and divide it by 2:
12,029,171 ÷ 2 = 6,014,585.5
If the quotient is a whole number, then 2 and 6,014,585.5 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 | 12,029,171 | |
| -1 | -12,029,171 |
Now, we try dividing 12,029,171 by 3:
12,029,171 ÷ 3 = 4,009,723.6667
If the quotient is a whole number, then 3 and 4,009,723.6667 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 | 12,029,171 | |
| -1 | -12,029,171 |
Let's try dividing by 4:
12,029,171 ÷ 4 = 3,007,292.75
If the quotient is a whole number, then 4 and 3,007,292.75 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 | 12,029,171 | |
| -1 | 12,029,171 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 29 | 77 | 203 | 319 | 2,233 | 5,387 | 37,709 | 59,257 | 156,223 | 414,799 | 1,093,561 | 1,718,453 | 12,029,171 |
| -1 | -7 | -11 | -29 | -77 | -203 | -319 | -2,233 | -5,387 | -37,709 | -59,257 | -156,223 | -414,799 | -1,093,561 | -1,718,453 | -12,029,171 |
Here are some more numbers to try:
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