A:
Positive:
1 x 3562225155 x 7124450311 x 3238386529 x 1228353555 x 6476773145 x 2456707319 x 11166851595 x 223337
Negative:
-1 x -356222515-5 x -71244503-11 x -32383865-29 x -12283535-55 x -6476773-145 x -2456707-319 x -1116685-1595 x -223337
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 356,222,515, 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 | 356,222,515 | |
| -1 | -356,222,515 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 356,222,515.
Example:
1 x 356,222,515 = 356,222,515
and
-1 x -356,222,515 = 356,222,515
Notice both answers equal 356,222,515
With that explanation out of the way, let's continue. Next, we take the number 356,222,515 and divide it by 2:
356,222,515 ÷ 2 = 178,111,257.5
If the quotient is a whole number, then 2 and 178,111,257.5 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 | 356,222,515 | |
| -1 | -356,222,515 |
Now, we try dividing 356,222,515 by 3:
356,222,515 ÷ 3 = 118,740,838.3333
If the quotient is a whole number, then 3 and 118,740,838.3333 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 | 356,222,515 | |
| -1 | -356,222,515 |
Let's try dividing by 4:
356,222,515 ÷ 4 = 89,055,628.75
If the quotient is a whole number, then 4 and 89,055,628.75 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 | 356,222,515 | |
| -1 | 356,222,515 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 29 | 55 | 145 | 319 | 1,595 | 223,337 | 1,116,685 | 2,456,707 | 6,476,773 | 12,283,535 | 32,383,865 | 71,244,503 | 356,222,515 |
| -1 | -5 | -11 | -29 | -55 | -145 | -319 | -1,595 | -223,337 | -1,116,685 | -2,456,707 | -6,476,773 | -12,283,535 | -32,383,865 | -71,244,503 | -356,222,515 |
Here are some more numbers to try:
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