A:
Positive:
1 x 3133647655 x 626729537 x 4476639523 x 1362455535 x 8953279115 x 2724911161 x 1946365805 x 389273
Negative:
-1 x -313364765-5 x -62672953-7 x -44766395-23 x -13624555-35 x -8953279-115 x -2724911-161 x -1946365-805 x -389273
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 313,364,765, 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 | 313,364,765 | |
| -1 | -313,364,765 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 313,364,765.
Example:
1 x 313,364,765 = 313,364,765
and
-1 x -313,364,765 = 313,364,765
Notice both answers equal 313,364,765
With that explanation out of the way, let's continue. Next, we take the number 313,364,765 and divide it by 2:
313,364,765 ÷ 2 = 156,682,382.5
If the quotient is a whole number, then 2 and 156,682,382.5 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 | 313,364,765 | |
| -1 | -313,364,765 |
Now, we try dividing 313,364,765 by 3:
313,364,765 ÷ 3 = 104,454,921.6667
If the quotient is a whole number, then 3 and 104,454,921.6667 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 | 313,364,765 | |
| -1 | -313,364,765 |
Let's try dividing by 4:
313,364,765 ÷ 4 = 78,341,191.25
If the quotient is a whole number, then 4 and 78,341,191.25 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 | 313,364,765 | |
| -1 | 313,364,765 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 23 | 35 | 115 | 161 | 805 | 389,273 | 1,946,365 | 2,724,911 | 8,953,279 | 13,624,555 | 44,766,395 | 62,672,953 | 313,364,765 |
| -1 | -5 | -7 | -23 | -35 | -115 | -161 | -805 | -389,273 | -1,946,365 | -2,724,911 | -8,953,279 | -13,624,555 | -44,766,395 | -62,672,953 | -313,364,765 |
Here are some more numbers to try:
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