A:
Positive:
1 x 713774397 x 1019677729 x 2461291203 x 351613587 x 121597599 x 1191614109 x 173714193 x 17023
Negative:
-1 x -71377439-7 x -10196777-29 x -2461291-203 x -351613-587 x -121597-599 x -119161-4109 x -17371-4193 x -17023
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 71,377,439, 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 | 71,377,439 | |
| -1 | -71,377,439 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 71,377,439.
Example:
1 x 71,377,439 = 71,377,439
and
-1 x -71,377,439 = 71,377,439
Notice both answers equal 71,377,439
With that explanation out of the way, let's continue. Next, we take the number 71,377,439 and divide it by 2:
71,377,439 ÷ 2 = 35,688,719.5
If the quotient is a whole number, then 2 and 35,688,719.5 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 | 71,377,439 | |
| -1 | -71,377,439 |
Now, we try dividing 71,377,439 by 3:
71,377,439 ÷ 3 = 23,792,479.6667
If the quotient is a whole number, then 3 and 23,792,479.6667 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 | 71,377,439 | |
| -1 | -71,377,439 |
Let's try dividing by 4:
71,377,439 ÷ 4 = 17,844,359.75
If the quotient is a whole number, then 4 and 17,844,359.75 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 | 71,377,439 | |
| -1 | 71,377,439 |
If you did it right, you will end up with this table:
| 1 | 7 | 29 | 203 | 587 | 599 | 4,109 | 4,193 | 17,023 | 17,371 | 119,161 | 121,597 | 351,613 | 2,461,291 | 10,196,777 | 71,377,439 |
| -1 | -7 | -29 | -203 | -587 | -599 | -4,109 | -4,193 | -17,023 | -17,371 | -119,161 | -121,597 | -351,613 | -2,461,291 | -10,196,777 | -71,377,439 |
Here are some more numbers to try:
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