A:
Positive:
1 x 411240137 x 587485947 x 874979239 x 172067329 x 124997523 x 786311673 x 245813661 x 11233
Negative:
-1 x -41124013-7 x -5874859-47 x -874979-239 x -172067-329 x -124997-523 x -78631-1673 x -24581-3661 x -11233
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 41,124,013, 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 | 41,124,013 | |
| -1 | -41,124,013 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 41,124,013.
Example:
1 x 41,124,013 = 41,124,013
and
-1 x -41,124,013 = 41,124,013
Notice both answers equal 41,124,013
With that explanation out of the way, let's continue. Next, we take the number 41,124,013 and divide it by 2:
41,124,013 ÷ 2 = 20,562,006.5
If the quotient is a whole number, then 2 and 20,562,006.5 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 | 41,124,013 | |
| -1 | -41,124,013 |
Now, we try dividing 41,124,013 by 3:
41,124,013 ÷ 3 = 13,708,004.3333
If the quotient is a whole number, then 3 and 13,708,004.3333 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 | 41,124,013 | |
| -1 | -41,124,013 |
Let's try dividing by 4:
41,124,013 ÷ 4 = 10,281,003.25
If the quotient is a whole number, then 4 and 10,281,003.25 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 | 41,124,013 | |
| -1 | 41,124,013 |
If you did it right, you will end up with this table:
| 1 | 7 | 47 | 239 | 329 | 523 | 1,673 | 3,661 | 11,233 | 24,581 | 78,631 | 124,997 | 172,067 | 874,979 | 5,874,859 | 41,124,013 |
| -1 | -7 | -47 | -239 | -329 | -523 | -1,673 | -3,661 | -11,233 | -24,581 | -78,631 | -124,997 | -172,067 | -874,979 | -5,874,859 | -41,124,013 |
Here are some more numbers to try:
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