A:
Positive:
1 x 184012855 x 36802577 x 262875535 x 525751281 x 654851405 x 130971871 x 98351967 x 9355
Negative:
-1 x -18401285-5 x -3680257-7 x -2628755-35 x -525751-281 x -65485-1405 x -13097-1871 x -9835-1967 x -9355
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 18,401,285, 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 | 18,401,285 | |
| -1 | -18,401,285 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 18,401,285.
Example:
1 x 18,401,285 = 18,401,285
and
-1 x -18,401,285 = 18,401,285
Notice both answers equal 18,401,285
With that explanation out of the way, let's continue. Next, we take the number 18,401,285 and divide it by 2:
18,401,285 ÷ 2 = 9,200,642.5
If the quotient is a whole number, then 2 and 9,200,642.5 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 | 18,401,285 | |
| -1 | -18,401,285 |
Now, we try dividing 18,401,285 by 3:
18,401,285 ÷ 3 = 6,133,761.6667
If the quotient is a whole number, then 3 and 6,133,761.6667 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 | 18,401,285 | |
| -1 | -18,401,285 |
Let's try dividing by 4:
18,401,285 ÷ 4 = 4,600,321.25
If the quotient is a whole number, then 4 and 4,600,321.25 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 | 18,401,285 | |
| -1 | 18,401,285 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 281 | 1,405 | 1,871 | 1,967 | 9,355 | 9,835 | 13,097 | 65,485 | 525,751 | 2,628,755 | 3,680,257 | 18,401,285 |
| -1 | -5 | -7 | -35 | -281 | -1,405 | -1,871 | -1,967 | -9,355 | -9,835 | -13,097 | -65,485 | -525,751 | -2,628,755 | -3,680,257 | -18,401,285 |
Here are some more numbers to try:
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