A:
Positive:
1 x 1843570311 x 167597313 x 141813147 x 392249143 x 128921169 x 109087211 x 87373517 x 35659611 x 301731859 x 99172321 x 79432743 x 6721
Negative:
-1 x -18435703-11 x -1675973-13 x -1418131-47 x -392249-143 x -128921-169 x -109087-211 x -87373-517 x -35659-611 x -30173-1859 x -9917-2321 x -7943-2743 x -6721
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 18,435,703, 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 | 18,435,703 | |
| -1 | -18,435,703 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 18,435,703.
Example:
1 x 18,435,703 = 18,435,703
and
-1 x -18,435,703 = 18,435,703
Notice both answers equal 18,435,703
With that explanation out of the way, let's continue. Next, we take the number 18,435,703 and divide it by 2:
18,435,703 ÷ 2 = 9,217,851.5
If the quotient is a whole number, then 2 and 9,217,851.5 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 | 18,435,703 | |
| -1 | -18,435,703 |
Now, we try dividing 18,435,703 by 3:
18,435,703 ÷ 3 = 6,145,234.3333
If the quotient is a whole number, then 3 and 6,145,234.3333 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 | 18,435,703 | |
| -1 | -18,435,703 |
Let's try dividing by 4:
18,435,703 ÷ 4 = 4,608,925.75
If the quotient is a whole number, then 4 and 4,608,925.75 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 | 18,435,703 | |
| -1 | 18,435,703 |
If you did it right, you will end up with this table:
| 1 | 11 | 13 | 47 | 143 | 169 | 211 | 517 | 611 | 1,859 | 2,321 | 2,743 | 6,721 | 7,943 | 9,917 | 30,173 | 35,659 | 87,373 | 109,087 | 128,921 | 392,249 | 1,418,131 | 1,675,973 | 18,435,703 |
| -1 | -11 | -13 | -47 | -143 | -169 | -211 | -517 | -611 | -1,859 | -2,321 | -2,743 | -6,721 | -7,943 | -9,917 | -30,173 | -35,659 | -87,373 | -109,087 | -128,921 | -392,249 | -1,418,131 | -1,675,973 | -18,435,703 |
Here are some more numbers to try:
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