A:
Positive:
1 x 37858063317 x 2226944937 x 10231909223 x 1697671629 x 6018772699 x 1402673791 x 998638251 x 45883
Negative:
-1 x -378580633-17 x -22269449-37 x -10231909-223 x -1697671-629 x -601877-2699 x -140267-3791 x -99863-8251 x -45883
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 378,580,633, 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 | 378,580,633 | |
| -1 | -378,580,633 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 378,580,633.
Example:
1 x 378,580,633 = 378,580,633
and
-1 x -378,580,633 = 378,580,633
Notice both answers equal 378,580,633
With that explanation out of the way, let's continue. Next, we take the number 378,580,633 and divide it by 2:
378,580,633 ÷ 2 = 189,290,316.5
If the quotient is a whole number, then 2 and 189,290,316.5 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 | 378,580,633 | |
| -1 | -378,580,633 |
Now, we try dividing 378,580,633 by 3:
378,580,633 ÷ 3 = 126,193,544.3333
If the quotient is a whole number, then 3 and 126,193,544.3333 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 | 378,580,633 | |
| -1 | -378,580,633 |
Let's try dividing by 4:
378,580,633 ÷ 4 = 94,645,158.25
If the quotient is a whole number, then 4 and 94,645,158.25 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 | 378,580,633 | |
| -1 | 378,580,633 |
If you did it right, you will end up with this table:
| 1 | 17 | 37 | 223 | 629 | 2,699 | 3,791 | 8,251 | 45,883 | 99,863 | 140,267 | 601,877 | 1,697,671 | 10,231,909 | 22,269,449 | 378,580,633 |
| -1 | -17 | -37 | -223 | -629 | -2,699 | -3,791 | -8,251 | -45,883 | -99,863 | -140,267 | -601,877 | -1,697,671 | -10,231,909 | -22,269,449 | -378,580,633 |
Here are some more numbers to try:
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