A:
Positive:
1 x 183485477 x 262122119 x 96571353 x 346199133 x 137959137 x 133931361 x 50827371 x 49457959 x 191331007 x 182212527 x 72612603 x 7049
Negative:
-1 x -18348547-7 x -2621221-19 x -965713-53 x -346199-133 x -137959-137 x -133931-361 x -50827-371 x -49457-959 x -19133-1007 x -18221-2527 x -7261-2603 x -7049
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 18,348,547, 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 | 18,348,547 | |
| -1 | -18,348,547 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 18,348,547.
Example:
1 x 18,348,547 = 18,348,547
and
-1 x -18,348,547 = 18,348,547
Notice both answers equal 18,348,547
With that explanation out of the way, let's continue. Next, we take the number 18,348,547 and divide it by 2:
18,348,547 ÷ 2 = 9,174,273.5
If the quotient is a whole number, then 2 and 9,174,273.5 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 | 18,348,547 | |
| -1 | -18,348,547 |
Now, we try dividing 18,348,547 by 3:
18,348,547 ÷ 3 = 6,116,182.3333
If the quotient is a whole number, then 3 and 6,116,182.3333 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 | 18,348,547 | |
| -1 | -18,348,547 |
Let's try dividing by 4:
18,348,547 ÷ 4 = 4,587,136.75
If the quotient is a whole number, then 4 and 4,587,136.75 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 | 18,348,547 | |
| -1 | 18,348,547 |
If you did it right, you will end up with this table:
| 1 | 7 | 19 | 53 | 133 | 137 | 361 | 371 | 959 | 1,007 | 2,527 | 2,603 | 7,049 | 7,261 | 18,221 | 19,133 | 49,457 | 50,827 | 133,931 | 137,959 | 346,199 | 965,713 | 2,621,221 | 18,348,547 |
| -1 | -7 | -19 | -53 | -133 | -137 | -361 | -371 | -959 | -1,007 | -2,527 | -2,603 | -7,049 | -7,261 | -18,221 | -19,133 | -49,457 | -50,827 | -133,931 | -137,959 | -346,199 | -965,713 | -2,621,221 | -18,348,547 |
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