A:
Positive:
1 x 550616655 x 11012333101 x 545165107 x 514595505 x 109033535 x 1029191019 x 540355095 x 10807
Negative:
-1 x -55061665-5 x -11012333-101 x -545165-107 x -514595-505 x -109033-535 x -102919-1019 x -54035-5095 x -10807
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 55,061,665, 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 | 55,061,665 | |
| -1 | -55,061,665 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 55,061,665.
Example:
1 x 55,061,665 = 55,061,665
and
-1 x -55,061,665 = 55,061,665
Notice both answers equal 55,061,665
With that explanation out of the way, let's continue. Next, we take the number 55,061,665 and divide it by 2:
55,061,665 ÷ 2 = 27,530,832.5
If the quotient is a whole number, then 2 and 27,530,832.5 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 | 55,061,665 | |
| -1 | -55,061,665 |
Now, we try dividing 55,061,665 by 3:
55,061,665 ÷ 3 = 18,353,888.3333
If the quotient is a whole number, then 3 and 18,353,888.3333 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 | 55,061,665 | |
| -1 | -55,061,665 |
Let's try dividing by 4:
55,061,665 ÷ 4 = 13,765,416.25
If the quotient is a whole number, then 4 and 13,765,416.25 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 | 55,061,665 | |
| -1 | 55,061,665 |
If you did it right, you will end up with this table:
| 1 | 5 | 101 | 107 | 505 | 535 | 1,019 | 5,095 | 10,807 | 54,035 | 102,919 | 109,033 | 514,595 | 545,165 | 11,012,333 | 55,061,665 |
| -1 | -5 | -101 | -107 | -505 | -535 | -1,019 | -5,095 | -10,807 | -54,035 | -102,919 | -109,033 | -514,595 | -545,165 | -11,012,333 | -55,061,665 |
Here are some more numbers to try:
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