A:
Positive:
1 x 51121155 x 102242353 x 96455101 x 50615191 x 26765265 x 19291505 x 10123955 x 5353
Negative:
-1 x -5112115-5 x -1022423-53 x -96455-101 x -50615-191 x -26765-265 x -19291-505 x -10123-955 x -5353
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 5,112,115, 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 | 5,112,115 | |
| -1 | -5,112,115 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 5,112,115.
Example:
1 x 5,112,115 = 5,112,115
and
-1 x -5,112,115 = 5,112,115
Notice both answers equal 5,112,115
With that explanation out of the way, let's continue. Next, we take the number 5,112,115 and divide it by 2:
5,112,115 ÷ 2 = 2,556,057.5
If the quotient is a whole number, then 2 and 2,556,057.5 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 | 5,112,115 | |
| -1 | -5,112,115 |
Now, we try dividing 5,112,115 by 3:
5,112,115 ÷ 3 = 1,704,038.3333
If the quotient is a whole number, then 3 and 1,704,038.3333 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 | 5,112,115 | |
| -1 | -5,112,115 |
Let's try dividing by 4:
5,112,115 ÷ 4 = 1,278,028.75
If the quotient is a whole number, then 4 and 1,278,028.75 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 | 5,112,115 | |
| -1 | 5,112,115 |
If you did it right, you will end up with this table:
| 1 | 5 | 53 | 101 | 191 | 265 | 505 | 955 | 5,353 | 10,123 | 19,291 | 26,765 | 50,615 | 96,455 | 1,022,423 | 5,112,115 |
| -1 | -5 | -53 | -101 | -191 | -265 | -505 | -955 | -5,353 | -10,123 | -19,291 | -26,765 | -50,615 | -96,455 | -1,022,423 | -5,112,115 |
Here are some more numbers to try:
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