A:
Positive:
1 x 419031555 x 83806317 x 598616535 x 1197233541 x 774552213 x 189352705 x 154913787 x 11065
Negative:
-1 x -41903155-5 x -8380631-7 x -5986165-35 x -1197233-541 x -77455-2213 x -18935-2705 x -15491-3787 x -11065
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 41,903,155, 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 | 41,903,155 | |
| -1 | -41,903,155 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 41,903,155.
Example:
1 x 41,903,155 = 41,903,155
and
-1 x -41,903,155 = 41,903,155
Notice both answers equal 41,903,155
With that explanation out of the way, let's continue. Next, we take the number 41,903,155 and divide it by 2:
41,903,155 ÷ 2 = 20,951,577.5
If the quotient is a whole number, then 2 and 20,951,577.5 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 | 41,903,155 | |
| -1 | -41,903,155 |
Now, we try dividing 41,903,155 by 3:
41,903,155 ÷ 3 = 13,967,718.3333
If the quotient is a whole number, then 3 and 13,967,718.3333 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 | 41,903,155 | |
| -1 | -41,903,155 |
Let's try dividing by 4:
41,903,155 ÷ 4 = 10,475,788.75
If the quotient is a whole number, then 4 and 10,475,788.75 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 | 41,903,155 | |
| -1 | 41,903,155 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 541 | 2,213 | 2,705 | 3,787 | 11,065 | 15,491 | 18,935 | 77,455 | 1,197,233 | 5,986,165 | 8,380,631 | 41,903,155 |
| -1 | -5 | -7 | -35 | -541 | -2,213 | -2,705 | -3,787 | -11,065 | -15,491 | -18,935 | -77,455 | -1,197,233 | -5,986,165 | -8,380,631 | -41,903,155 |
Here are some more numbers to try:
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