A:
Positive:
1 x 183653477 x 262362111 x 166957713 x 141271949 x 37480377 x 23851191 x 201817143 x 128429539 x 34073637 x 288311001 x 183472621 x 7007
Negative:
-1 x -18365347-7 x -2623621-11 x -1669577-13 x -1412719-49 x -374803-77 x -238511-91 x -201817-143 x -128429-539 x -34073-637 x -28831-1001 x -18347-2621 x -7007
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 18,365,347, 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 | 18,365,347 | |
| -1 | -18,365,347 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 18,365,347.
Example:
1 x 18,365,347 = 18,365,347
and
-1 x -18,365,347 = 18,365,347
Notice both answers equal 18,365,347
With that explanation out of the way, let's continue. Next, we take the number 18,365,347 and divide it by 2:
18,365,347 ÷ 2 = 9,182,673.5
If the quotient is a whole number, then 2 and 9,182,673.5 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 | 18,365,347 | |
| -1 | -18,365,347 |
Now, we try dividing 18,365,347 by 3:
18,365,347 ÷ 3 = 6,121,782.3333
If the quotient is a whole number, then 3 and 6,121,782.3333 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 | 18,365,347 | |
| -1 | -18,365,347 |
Let's try dividing by 4:
18,365,347 ÷ 4 = 4,591,336.75
If the quotient is a whole number, then 4 and 4,591,336.75 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 | 18,365,347 | |
| -1 | 18,365,347 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 13 | 49 | 77 | 91 | 143 | 539 | 637 | 1,001 | 2,621 | 7,007 | 18,347 | 28,831 | 34,073 | 128,429 | 201,817 | 238,511 | 374,803 | 1,412,719 | 1,669,577 | 2,623,621 | 18,365,347 |
| -1 | -7 | -11 | -13 | -49 | -77 | -91 | -143 | -539 | -637 | -1,001 | -2,621 | -7,007 | -18,347 | -28,831 | -34,073 | -128,429 | -201,817 | -238,511 | -374,803 | -1,412,719 | -1,669,577 | -2,623,621 | -18,365,347 |
Here are some more numbers to try:
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