A:
Positive:
1 x 7844673111 x 713152153 x 1480127239 x 328229563 x 139337583 x 1345572629 x 298396193 x 12667
Negative:
-1 x -78446731-11 x -7131521-53 x -1480127-239 x -328229-563 x -139337-583 x -134557-2629 x -29839-6193 x -12667
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 78,446,731, 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 | 78,446,731 | |
| -1 | -78,446,731 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 78,446,731.
Example:
1 x 78,446,731 = 78,446,731
and
-1 x -78,446,731 = 78,446,731
Notice both answers equal 78,446,731
With that explanation out of the way, let's continue. Next, we take the number 78,446,731 and divide it by 2:
78,446,731 ÷ 2 = 39,223,365.5
If the quotient is a whole number, then 2 and 39,223,365.5 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 | 78,446,731 | |
| -1 | -78,446,731 |
Now, we try dividing 78,446,731 by 3:
78,446,731 ÷ 3 = 26,148,910.3333
If the quotient is a whole number, then 3 and 26,148,910.3333 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 | 78,446,731 | |
| -1 | -78,446,731 |
Let's try dividing by 4:
78,446,731 ÷ 4 = 19,611,682.75
If the quotient is a whole number, then 4 and 19,611,682.75 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 | 78,446,731 | |
| -1 | 78,446,731 |
If you did it right, you will end up with this table:
| 1 | 11 | 53 | 239 | 563 | 583 | 2,629 | 6,193 | 12,667 | 29,839 | 134,557 | 139,337 | 328,229 | 1,480,127 | 7,131,521 | 78,446,731 |
| -1 | -11 | -53 | -239 | -563 | -583 | -2,629 | -6,193 | -12,667 | -29,839 | -134,557 | -139,337 | -328,229 | -1,480,127 | -7,131,521 | -78,446,731 |
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