A:
Positive:
1 x 30575055 x 61150111 x 27795523 x 13293555 x 55591115 x 26587253 x 120851265 x 2417
Negative:
-1 x -3057505-5 x -611501-11 x -277955-23 x -132935-55 x -55591-115 x -26587-253 x -12085-1265 x -2417
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 3,057,505, 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 | 3,057,505 | |
| -1 | -3,057,505 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 3,057,505.
Example:
1 x 3,057,505 = 3,057,505
and
-1 x -3,057,505 = 3,057,505
Notice both answers equal 3,057,505
With that explanation out of the way, let's continue. Next, we take the number 3,057,505 and divide it by 2:
3,057,505 ÷ 2 = 1,528,752.5
If the quotient is a whole number, then 2 and 1,528,752.5 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 | 3,057,505 | |
| -1 | -3,057,505 |
Now, we try dividing 3,057,505 by 3:
3,057,505 ÷ 3 = 1,019,168.3333
If the quotient is a whole number, then 3 and 1,019,168.3333 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 | 3,057,505 | |
| -1 | -3,057,505 |
Let's try dividing by 4:
3,057,505 ÷ 4 = 764,376.25
If the quotient is a whole number, then 4 and 764,376.25 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 | 3,057,505 | |
| -1 | 3,057,505 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 23 | 55 | 115 | 253 | 1,265 | 2,417 | 12,085 | 26,587 | 55,591 | 132,935 | 277,955 | 611,501 | 3,057,505 |
| -1 | -5 | -11 | -23 | -55 | -115 | -253 | -1,265 | -2,417 | -12,085 | -26,587 | -55,591 | -132,935 | -277,955 | -611,501 | -3,057,505 |
Here are some more numbers to try:
Try the factor calculator