A:
Positive:
1 x 100737917 x 143911313 x 77490731 x 32496191 x 110701217 x 46423403 x 249972821 x 3571
Negative:
-1 x -10073791-7 x -1439113-13 x -774907-31 x -324961-91 x -110701-217 x -46423-403 x -24997-2821 x -3571
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 10,073,791, 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 | 10,073,791 | |
| -1 | -10,073,791 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 10,073,791.
Example:
1 x 10,073,791 = 10,073,791
and
-1 x -10,073,791 = 10,073,791
Notice both answers equal 10,073,791
With that explanation out of the way, let's continue. Next, we take the number 10,073,791 and divide it by 2:
10,073,791 ÷ 2 = 5,036,895.5
If the quotient is a whole number, then 2 and 5,036,895.5 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 | 10,073,791 | |
| -1 | -10,073,791 |
Now, we try dividing 10,073,791 by 3:
10,073,791 ÷ 3 = 3,357,930.3333
If the quotient is a whole number, then 3 and 3,357,930.3333 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 | 10,073,791 | |
| -1 | -10,073,791 |
Let's try dividing by 4:
10,073,791 ÷ 4 = 2,518,447.75
If the quotient is a whole number, then 4 and 2,518,447.75 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 | 10,073,791 | |
| -1 | 10,073,791 |
If you did it right, you will end up with this table:
| 1 | 7 | 13 | 31 | 91 | 217 | 403 | 2,821 | 3,571 | 24,997 | 46,423 | 110,701 | 324,961 | 774,907 | 1,439,113 | 10,073,791 |
| -1 | -7 | -13 | -31 | -91 | -217 | -403 | -2,821 | -3,571 | -24,997 | -46,423 | -110,701 | -324,961 | -774,907 | -1,439,113 | -10,073,791 |
Here are some more numbers to try:
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