A:
Positive:
1 x 1834145313 x 141088117 x 1078909149 x 123097221 x 82993557 x 329291937 x 94692533 x 7241
Negative:
-1 x -18341453-13 x -1410881-17 x -1078909-149 x -123097-221 x -82993-557 x -32929-1937 x -9469-2533 x -7241
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 18,341,453, 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 | 18,341,453 | |
| -1 | -18,341,453 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 18,341,453.
Example:
1 x 18,341,453 = 18,341,453
and
-1 x -18,341,453 = 18,341,453
Notice both answers equal 18,341,453
With that explanation out of the way, let's continue. Next, we take the number 18,341,453 and divide it by 2:
18,341,453 ÷ 2 = 9,170,726.5
If the quotient is a whole number, then 2 and 9,170,726.5 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 | 18,341,453 | |
| -1 | -18,341,453 |
Now, we try dividing 18,341,453 by 3:
18,341,453 ÷ 3 = 6,113,817.6667
If the quotient is a whole number, then 3 and 6,113,817.6667 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 | 18,341,453 | |
| -1 | -18,341,453 |
Let's try dividing by 4:
18,341,453 ÷ 4 = 4,585,363.25
If the quotient is a whole number, then 4 and 4,585,363.25 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 | 18,341,453 | |
| -1 | 18,341,453 |
If you did it right, you will end up with this table:
| 1 | 13 | 17 | 149 | 221 | 557 | 1,937 | 2,533 | 7,241 | 9,469 | 32,929 | 82,993 | 123,097 | 1,078,909 | 1,410,881 | 18,341,453 |
| -1 | -13 | -17 | -149 | -221 | -557 | -1,937 | -2,533 | -7,241 | -9,469 | -32,929 | -82,993 | -123,097 | -1,078,909 | -1,410,881 | -18,341,453 |
Here are some more numbers to try:
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