A:
Positive:
1 x 22224523113 x 1709578731 x 716920167 x 3317093403 x 551477871 x 2551612077 x 1070038231 x 27001
Negative:
-1 x -222245231-13 x -17095787-31 x -7169201-67 x -3317093-403 x -551477-871 x -255161-2077 x -107003-8231 x -27001
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 222,245,231, 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 | 222,245,231 | |
| -1 | -222,245,231 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 222,245,231.
Example:
1 x 222,245,231 = 222,245,231
and
-1 x -222,245,231 = 222,245,231
Notice both answers equal 222,245,231
With that explanation out of the way, let's continue. Next, we take the number 222,245,231 and divide it by 2:
222,245,231 ÷ 2 = 111,122,615.5
If the quotient is a whole number, then 2 and 111,122,615.5 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 | 222,245,231 | |
| -1 | -222,245,231 |
Now, we try dividing 222,245,231 by 3:
222,245,231 ÷ 3 = 74,081,743.6667
If the quotient is a whole number, then 3 and 74,081,743.6667 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 | 222,245,231 | |
| -1 | -222,245,231 |
Let's try dividing by 4:
222,245,231 ÷ 4 = 55,561,307.75
If the quotient is a whole number, then 4 and 55,561,307.75 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 | 222,245,231 | |
| -1 | 222,245,231 |
If you did it right, you will end up with this table:
| 1 | 13 | 31 | 67 | 403 | 871 | 2,077 | 8,231 | 27,001 | 107,003 | 255,161 | 551,477 | 3,317,093 | 7,169,201 | 17,095,787 | 222,245,231 |
| -1 | -13 | -31 | -67 | -403 | -871 | -2,077 | -8,231 | -27,001 | -107,003 | -255,161 | -551,477 | -3,317,093 | -7,169,201 | -17,095,787 | -222,245,231 |
Here are some more numbers to try:
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