A:
Positive:
1 x 3317165397 x 4738807711 x 3015604977 x 4308007109 x 3043271121 x 2741459763 x 434753847 x 3916371199 x 2766613593 x 923238393 x 3952313189 x 25151
Negative:
-1 x -331716539-7 x -47388077-11 x -30156049-77 x -4308007-109 x -3043271-121 x -2741459-763 x -434753-847 x -391637-1199 x -276661-3593 x -92323-8393 x -39523-13189 x -25151
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 331,716,539, 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 | 331,716,539 | |
| -1 | -331,716,539 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 331,716,539.
Example:
1 x 331,716,539 = 331,716,539
and
-1 x -331,716,539 = 331,716,539
Notice both answers equal 331,716,539
With that explanation out of the way, let's continue. Next, we take the number 331,716,539 and divide it by 2:
331,716,539 ÷ 2 = 165,858,269.5
If the quotient is a whole number, then 2 and 165,858,269.5 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 | 331,716,539 | |
| -1 | -331,716,539 |
Now, we try dividing 331,716,539 by 3:
331,716,539 ÷ 3 = 110,572,179.6667
If the quotient is a whole number, then 3 and 110,572,179.6667 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 | 331,716,539 | |
| -1 | -331,716,539 |
Let's try dividing by 4:
331,716,539 ÷ 4 = 82,929,134.75
If the quotient is a whole number, then 4 and 82,929,134.75 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 | 331,716,539 | |
| -1 | 331,716,539 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 77 | 109 | 121 | 763 | 847 | 1,199 | 3,593 | 8,393 | 13,189 | 25,151 | 39,523 | 92,323 | 276,661 | 391,637 | 434,753 | 2,741,459 | 3,043,271 | 4,308,007 | 30,156,049 | 47,388,077 | 331,716,539 |
| -1 | -7 | -11 | -77 | -109 | -121 | -763 | -847 | -1,199 | -3,593 | -8,393 | -13,189 | -25,151 | -39,523 | -92,323 | -276,661 | -391,637 | -434,753 | -2,741,459 | -3,043,271 | -4,308,007 | -30,156,049 | -47,388,077 | -331,716,539 |
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