A:
Positive:
1 x 51308155 x 102616371 x 7226597 x 52895149 x 34435355 x 14453485 x 10579745 x 6887
Negative:
-1 x -5130815-5 x -1026163-71 x -72265-97 x -52895-149 x -34435-355 x -14453-485 x -10579-745 x -6887
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 5,130,815, 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 | 5,130,815 | |
| -1 | -5,130,815 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 5,130,815.
Example:
1 x 5,130,815 = 5,130,815
and
-1 x -5,130,815 = 5,130,815
Notice both answers equal 5,130,815
With that explanation out of the way, let's continue. Next, we take the number 5,130,815 and divide it by 2:
5,130,815 ÷ 2 = 2,565,407.5
If the quotient is a whole number, then 2 and 2,565,407.5 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 | 5,130,815 | |
| -1 | -5,130,815 |
Now, we try dividing 5,130,815 by 3:
5,130,815 ÷ 3 = 1,710,271.6667
If the quotient is a whole number, then 3 and 1,710,271.6667 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 | 5,130,815 | |
| -1 | -5,130,815 |
Let's try dividing by 4:
5,130,815 ÷ 4 = 1,282,703.75
If the quotient is a whole number, then 4 and 1,282,703.75 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 | 5,130,815 | |
| -1 | 5,130,815 |
If you did it right, you will end up with this table:
| 1 | 5 | 71 | 97 | 149 | 355 | 485 | 745 | 6,887 | 10,579 | 14,453 | 34,435 | 52,895 | 72,265 | 1,026,163 | 5,130,815 |
| -1 | -5 | -71 | -97 | -149 | -355 | -485 | -745 | -6,887 | -10,579 | -14,453 | -34,435 | -52,895 | -72,265 | -1,026,163 | -5,130,815 |
Here are some more numbers to try:
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