A:
Positive:
1 x 52423917 x 74891311 x 47658177 x 68083103 x 50897661 x 7931721 x 72711133 x 4627
Negative:
-1 x -5242391-7 x -748913-11 x -476581-77 x -68083-103 x -50897-661 x -7931-721 x -7271-1133 x -4627
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 5,242,391, 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 | 5,242,391 | |
| -1 | -5,242,391 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 5,242,391.
Example:
1 x 5,242,391 = 5,242,391
and
-1 x -5,242,391 = 5,242,391
Notice both answers equal 5,242,391
With that explanation out of the way, let's continue. Next, we take the number 5,242,391 and divide it by 2:
5,242,391 ÷ 2 = 2,621,195.5
If the quotient is a whole number, then 2 and 2,621,195.5 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 | 5,242,391 | |
| -1 | -5,242,391 |
Now, we try dividing 5,242,391 by 3:
5,242,391 ÷ 3 = 1,747,463.6667
If the quotient is a whole number, then 3 and 1,747,463.6667 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 | 5,242,391 | |
| -1 | -5,242,391 |
Let's try dividing by 4:
5,242,391 ÷ 4 = 1,310,597.75
If the quotient is a whole number, then 4 and 1,310,597.75 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 | 5,242,391 | |
| -1 | 5,242,391 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 77 | 103 | 661 | 721 | 1,133 | 4,627 | 7,271 | 7,931 | 50,897 | 68,083 | 476,581 | 748,913 | 5,242,391 |
| -1 | -7 | -11 | -77 | -103 | -661 | -721 | -1,133 | -4,627 | -7,271 | -7,931 | -50,897 | -68,083 | -476,581 | -748,913 | -5,242,391 |
Here are some more numbers to try:
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