A:
Positive:
1 x 2234213655 x 4468427329 x 7704185145 x 15408371039 x 2150351483 x 1506555195 x 430077415 x 30131
Negative:
-1 x -223421365-5 x -44684273-29 x -7704185-145 x -1540837-1039 x -215035-1483 x -150655-5195 x -43007-7415 x -30131
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 223,421,365, 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 | 223,421,365 | |
| -1 | -223,421,365 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 223,421,365.
Example:
1 x 223,421,365 = 223,421,365
and
-1 x -223,421,365 = 223,421,365
Notice both answers equal 223,421,365
With that explanation out of the way, let's continue. Next, we take the number 223,421,365 and divide it by 2:
223,421,365 ÷ 2 = 111,710,682.5
If the quotient is a whole number, then 2 and 111,710,682.5 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 | 223,421,365 | |
| -1 | -223,421,365 |
Now, we try dividing 223,421,365 by 3:
223,421,365 ÷ 3 = 74,473,788.3333
If the quotient is a whole number, then 3 and 74,473,788.3333 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 | 223,421,365 | |
| -1 | -223,421,365 |
Let's try dividing by 4:
223,421,365 ÷ 4 = 55,855,341.25
If the quotient is a whole number, then 4 and 55,855,341.25 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 | 223,421,365 | |
| -1 | 223,421,365 |
If you did it right, you will end up with this table:
| 1 | 5 | 29 | 145 | 1,039 | 1,483 | 5,195 | 7,415 | 30,131 | 43,007 | 150,655 | 215,035 | 1,540,837 | 7,704,185 | 44,684,273 | 223,421,365 |
| -1 | -5 | -29 | -145 | -1,039 | -1,483 | -5,195 | -7,415 | -30,131 | -43,007 | -150,655 | -215,035 | -1,540,837 | -7,704,185 | -44,684,273 | -223,421,365 |
Here are some more numbers to try:
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