A:
Positive:
1 x 17701455 x 35402913 x 13616565 x 27233113 x 15665241 x 7345565 x 31331205 x 1469
Negative:
-1 x -1770145-5 x -354029-13 x -136165-65 x -27233-113 x -15665-241 x -7345-565 x -3133-1205 x -1469
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 1,770,145, 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 | 1,770,145 | |
| -1 | -1,770,145 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 1,770,145.
Example:
1 x 1,770,145 = 1,770,145
and
-1 x -1,770,145 = 1,770,145
Notice both answers equal 1,770,145
With that explanation out of the way, let's continue. Next, we take the number 1,770,145 and divide it by 2:
1,770,145 ÷ 2 = 885,072.5
If the quotient is a whole number, then 2 and 885,072.5 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 | 1,770,145 | |
| -1 | -1,770,145 |
Now, we try dividing 1,770,145 by 3:
1,770,145 ÷ 3 = 590,048.3333
If the quotient is a whole number, then 3 and 590,048.3333 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 | 1,770,145 | |
| -1 | -1,770,145 |
Let's try dividing by 4:
1,770,145 ÷ 4 = 442,536.25
If the quotient is a whole number, then 4 and 442,536.25 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 | 1,770,145 | |
| -1 | 1,770,145 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 65 | 113 | 241 | 565 | 1,205 | 1,469 | 3,133 | 7,345 | 15,665 | 27,233 | 136,165 | 354,029 | 1,770,145 |
| -1 | -5 | -13 | -65 | -113 | -241 | -565 | -1,205 | -1,469 | -3,133 | -7,345 | -15,665 | -27,233 | -136,165 | -354,029 | -1,770,145 |
Here are some more numbers to try:
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