A:
Positive:
1 x 3802132677 x 5431618143 x 8842169301 x 1263167607 x 6263812081 x 1827074249 x 8948314567 x 26101
Negative:
-1 x -380213267-7 x -54316181-43 x -8842169-301 x -1263167-607 x -626381-2081 x -182707-4249 x -89483-14567 x -26101
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 380,213,267, 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 | 380,213,267 | |
| -1 | -380,213,267 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 380,213,267.
Example:
1 x 380,213,267 = 380,213,267
and
-1 x -380,213,267 = 380,213,267
Notice both answers equal 380,213,267
With that explanation out of the way, let's continue. Next, we take the number 380,213,267 and divide it by 2:
380,213,267 ÷ 2 = 190,106,633.5
If the quotient is a whole number, then 2 and 190,106,633.5 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 | 380,213,267 | |
| -1 | -380,213,267 |
Now, we try dividing 380,213,267 by 3:
380,213,267 ÷ 3 = 126,737,755.6667
If the quotient is a whole number, then 3 and 126,737,755.6667 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 | 380,213,267 | |
| -1 | -380,213,267 |
Let's try dividing by 4:
380,213,267 ÷ 4 = 95,053,316.75
If the quotient is a whole number, then 4 and 95,053,316.75 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 | 380,213,267 | |
| -1 | 380,213,267 |
If you did it right, you will end up with this table:
| 1 | 7 | 43 | 301 | 607 | 2,081 | 4,249 | 14,567 | 26,101 | 89,483 | 182,707 | 626,381 | 1,263,167 | 8,842,169 | 54,316,181 | 380,213,267 |
| -1 | -7 | -43 | -301 | -607 | -2,081 | -4,249 | -14,567 | -26,101 | -89,483 | -182,707 | -626,381 | -1,263,167 | -8,842,169 | -54,316,181 | -380,213,267 |
Here are some more numbers to try:
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