A:
Positive:
1 x 76176655 x 152353311 x 69251543 x 17715555 x 138503215 x 35431473 x 161052365 x 3221
Negative:
-1 x -7617665-5 x -1523533-11 x -692515-43 x -177155-55 x -138503-215 x -35431-473 x -16105-2365 x -3221
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 7,617,665, 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 | 7,617,665 | |
| -1 | -7,617,665 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 7,617,665.
Example:
1 x 7,617,665 = 7,617,665
and
-1 x -7,617,665 = 7,617,665
Notice both answers equal 7,617,665
With that explanation out of the way, let's continue. Next, we take the number 7,617,665 and divide it by 2:
7,617,665 ÷ 2 = 3,808,832.5
If the quotient is a whole number, then 2 and 3,808,832.5 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 | 7,617,665 | |
| -1 | -7,617,665 |
Now, we try dividing 7,617,665 by 3:
7,617,665 ÷ 3 = 2,539,221.6667
If the quotient is a whole number, then 3 and 2,539,221.6667 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 | 7,617,665 | |
| -1 | -7,617,665 |
Let's try dividing by 4:
7,617,665 ÷ 4 = 1,904,416.25
If the quotient is a whole number, then 4 and 1,904,416.25 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 | 7,617,665 | |
| -1 | 7,617,665 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 43 | 55 | 215 | 473 | 2,365 | 3,221 | 16,105 | 35,431 | 138,503 | 177,155 | 692,515 | 1,523,533 | 7,617,665 |
| -1 | -5 | -11 | -43 | -55 | -215 | -473 | -2,365 | -3,221 | -16,105 | -35,431 | -138,503 | -177,155 | -692,515 | -1,523,533 | -7,617,665 |
Here are some more numbers to try:
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