A:
Positive:
1 x 30083955 x 60167913 x 23141531 x 9704565 x 46283155 x 19409403 x 74651493 x 2015
Negative:
-1 x -3008395-5 x -601679-13 x -231415-31 x -97045-65 x -46283-155 x -19409-403 x -7465-1493 x -2015
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 3,008,395, 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 | 3,008,395 | |
| -1 | -3,008,395 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 3,008,395.
Example:
1 x 3,008,395 = 3,008,395
and
-1 x -3,008,395 = 3,008,395
Notice both answers equal 3,008,395
With that explanation out of the way, let's continue. Next, we take the number 3,008,395 and divide it by 2:
3,008,395 ÷ 2 = 1,504,197.5
If the quotient is a whole number, then 2 and 1,504,197.5 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 | 3,008,395 | |
| -1 | -3,008,395 |
Now, we try dividing 3,008,395 by 3:
3,008,395 ÷ 3 = 1,002,798.3333
If the quotient is a whole number, then 3 and 1,002,798.3333 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 | 3,008,395 | |
| -1 | -3,008,395 |
Let's try dividing by 4:
3,008,395 ÷ 4 = 752,098.75
If the quotient is a whole number, then 4 and 752,098.75 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 | 3,008,395 | |
| -1 | 3,008,395 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 31 | 65 | 155 | 403 | 1,493 | 2,015 | 7,465 | 19,409 | 46,283 | 97,045 | 231,415 | 601,679 | 3,008,395 |
| -1 | -5 | -13 | -31 | -65 | -155 | -403 | -1,493 | -2,015 | -7,465 | -19,409 | -46,283 | -97,045 | -231,415 | -601,679 | -3,008,395 |
Here are some more numbers to try:
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