A:
Positive:
1 x 49408455 x 9881697 x 70583513 x 38006535 x 14116765 x 7601391 x 54295455 x 10859
Negative:
-1 x -4940845-5 x -988169-7 x -705835-13 x -380065-35 x -141167-65 x -76013-91 x -54295-455 x -10859
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 4,940,845, 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 | 4,940,845 | |
| -1 | -4,940,845 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 4,940,845.
Example:
1 x 4,940,845 = 4,940,845
and
-1 x -4,940,845 = 4,940,845
Notice both answers equal 4,940,845
With that explanation out of the way, let's continue. Next, we take the number 4,940,845 and divide it by 2:
4,940,845 ÷ 2 = 2,470,422.5
If the quotient is a whole number, then 2 and 2,470,422.5 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 | 4,940,845 | |
| -1 | -4,940,845 |
Now, we try dividing 4,940,845 by 3:
4,940,845 ÷ 3 = 1,646,948.3333
If the quotient is a whole number, then 3 and 1,646,948.3333 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 | 4,940,845 | |
| -1 | -4,940,845 |
Let's try dividing by 4:
4,940,845 ÷ 4 = 1,235,211.25
If the quotient is a whole number, then 4 and 1,235,211.25 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 | 4,940,845 | |
| -1 | 4,940,845 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 13 | 35 | 65 | 91 | 455 | 10,859 | 54,295 | 76,013 | 141,167 | 380,065 | 705,835 | 988,169 | 4,940,845 |
| -1 | -5 | -7 | -13 | -35 | -65 | -91 | -455 | -10,859 | -54,295 | -76,013 | -141,167 | -380,065 | -705,835 | -988,169 | -4,940,845 |
Here are some more numbers to try:
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