A:
Positive:
1 x 183467837 x 262096913 x 141129137 x 49585991 x 201613259 x 70837481 x 381433367 x 5449
Negative:
-1 x -18346783-7 x -2620969-13 x -1411291-37 x -495859-91 x -201613-259 x -70837-481 x -38143-3367 x -5449
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 18,346,783, 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 | 18,346,783 | |
| -1 | -18,346,783 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 18,346,783.
Example:
1 x 18,346,783 = 18,346,783
and
-1 x -18,346,783 = 18,346,783
Notice both answers equal 18,346,783
With that explanation out of the way, let's continue. Next, we take the number 18,346,783 and divide it by 2:
18,346,783 ÷ 2 = 9,173,391.5
If the quotient is a whole number, then 2 and 9,173,391.5 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 | 18,346,783 | |
| -1 | -18,346,783 |
Now, we try dividing 18,346,783 by 3:
18,346,783 ÷ 3 = 6,115,594.3333
If the quotient is a whole number, then 3 and 6,115,594.3333 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 | 18,346,783 | |
| -1 | -18,346,783 |
Let's try dividing by 4:
18,346,783 ÷ 4 = 4,586,695.75
If the quotient is a whole number, then 4 and 4,586,695.75 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 | 18,346,783 | |
| -1 | 18,346,783 |
If you did it right, you will end up with this table:
| 1 | 7 | 13 | 37 | 91 | 259 | 481 | 3,367 | 5,449 | 38,143 | 70,837 | 201,613 | 495,859 | 1,411,291 | 2,620,969 | 18,346,783 |
| -1 | -7 | -13 | -37 | -91 | -259 | -481 | -3,367 | -5,449 | -38,143 | -70,837 | -201,613 | -495,859 | -1,411,291 | -2,620,969 | -18,346,783 |
Here are some more numbers to try:
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