A:
Positive:
1 x 55186682 x 27593343 x 18395564 x 13796676 x 91977812 x 459889199 x 27732398 x 13866597 x 9244796 x 69331194 x 46222311 x 2388
Negative:
-1 x -5518668-2 x -2759334-3 x -1839556-4 x -1379667-6 x -919778-12 x -459889-199 x -27732-398 x -13866-597 x -9244-796 x -6933-1194 x -4622-2311 x -2388
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 5,518,668, 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 | 5,518,668 | |
| -1 | -5,518,668 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 5,518,668.
Example:
1 x 5,518,668 = 5,518,668
and
-1 x -5,518,668 = 5,518,668
Notice both answers equal 5,518,668
With that explanation out of the way, let's continue. Next, we take the number 5,518,668 and divide it by 2:
5,518,668 ÷ 2 = 2,759,334
If the quotient is a whole number, then 2 and 2,759,334 are factors. In this case, the quotient is a whole number. Write them in the table inside the other two factors like the below example. Don't forget to write the negative numbers too!
Here is what our table should look like at this step:
| 1 | 2 | 2,759,334 | 5,518,668 | |
| -1 | -2 | -2,759,334 | -5,518,668 |
Now, we try dividing 5,518,668 by 3:
5,518,668 ÷ 3 = 1,839,556
If the quotient is a whole number, then 3 and 1,839,556 are factors. In this case, the quotient is a whole number. Write them in the table inside the other two factors like the below example. Don't forget to write the negative numbers too!
Here is what our table should look like at this step:
| 1 | 2 | 3 | 1,839,556 | 2,759,334 | 5,518,668 | |
| -1 | -2 | -3 | -1,839,556 | -2,759,334 | -5,518,668 |
Let's try dividing by 4:
5,518,668 ÷ 4 = 1,379,667
If the quotient is a whole number, then 4 and 1,379,667 are factors. In this case, the quotient is a whole number. Write them in the table inside the other two factors like the below example. Don't forget to write the negative numbers too!
Here is what our table should look like at this step:
| 1 | 2 | 3 | 4 | 1,379,667 | 1,839,556 | 2,759,334 | 5,518,668 | |
| -1 | -2 | -3 | -4 | -1,379,667 | -1,839,556 | -2,759,334 | 5,518,668 |
If you did it right, you will end up with this table:
| 1 | 2 | 3 | 4 | 6 | 12 | 199 | 398 | 597 | 796 | 1,194 | 2,311 | 2,388 | 4,622 | 6,933 | 9,244 | 13,866 | 27,732 | 459,889 | 919,778 | 1,379,667 | 1,839,556 | 2,759,334 | 5,518,668 |
| -1 | -2 | -3 | -4 | -6 | -12 | -199 | -398 | -597 | -796 | -1,194 | -2,311 | -2,388 | -4,622 | -6,933 | -9,244 | -13,866 | -27,732 | -459,889 | -919,778 | -1,379,667 | -1,839,556 | -2,759,334 | -5,518,668 |
Here are some more numbers to try:
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