A:
Positive:
1 x 15600137 x 22285913 x 12000131 x 5032349 x 3183779 x 1974791 x 17143217 x 7189403 x 3871553 x 2821637 x 24491027 x 1519
Negative:
-1 x -1560013-7 x -222859-13 x -120001-31 x -50323-49 x -31837-79 x -19747-91 x -17143-217 x -7189-403 x -3871-553 x -2821-637 x -2449-1027 x -1519
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 1,560,013, 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 | 1,560,013 | |
| -1 | -1,560,013 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 1,560,013.
Example:
1 x 1,560,013 = 1,560,013
and
-1 x -1,560,013 = 1,560,013
Notice both answers equal 1,560,013
With that explanation out of the way, let's continue. Next, we take the number 1,560,013 and divide it by 2:
1,560,013 ÷ 2 = 780,006.5
If the quotient is a whole number, then 2 and 780,006.5 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 | 1,560,013 | |
| -1 | -1,560,013 |
Now, we try dividing 1,560,013 by 3:
1,560,013 ÷ 3 = 520,004.3333
If the quotient is a whole number, then 3 and 520,004.3333 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 | 1,560,013 | |
| -1 | -1,560,013 |
Let's try dividing by 4:
1,560,013 ÷ 4 = 390,003.25
If the quotient is a whole number, then 4 and 390,003.25 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 | 1,560,013 | |
| -1 | 1,560,013 |
If you did it right, you will end up with this table:
| 1 | 7 | 13 | 31 | 49 | 79 | 91 | 217 | 403 | 553 | 637 | 1,027 | 1,519 | 2,449 | 2,821 | 3,871 | 7,189 | 17,143 | 19,747 | 31,837 | 50,323 | 120,001 | 222,859 | 1,560,013 |
| -1 | -7 | -13 | -31 | -49 | -79 | -91 | -217 | -403 | -553 | -637 | -1,027 | -1,519 | -2,449 | -2,821 | -3,871 | -7,189 | -17,143 | -19,747 | -31,837 | -50,323 | -120,001 | -222,859 | -1,560,013 |
Here are some more numbers to try:
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