A:
Positive:
1 x 3515163617 x 5021662317 x 20677433119 x 2953919131 x 2683331917 x 3833332227 x 15784315589 x 22549
Negative:
-1 x -351516361-7 x -50216623-17 x -20677433-119 x -2953919-131 x -2683331-917 x -383333-2227 x -157843-15589 x -22549
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 351,516,361, 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 | 351,516,361 | |
| -1 | -351,516,361 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 351,516,361.
Example:
1 x 351,516,361 = 351,516,361
and
-1 x -351,516,361 = 351,516,361
Notice both answers equal 351,516,361
With that explanation out of the way, let's continue. Next, we take the number 351,516,361 and divide it by 2:
351,516,361 ÷ 2 = 175,758,180.5
If the quotient is a whole number, then 2 and 175,758,180.5 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 | 351,516,361 | |
| -1 | -351,516,361 |
Now, we try dividing 351,516,361 by 3:
351,516,361 ÷ 3 = 117,172,120.3333
If the quotient is a whole number, then 3 and 117,172,120.3333 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 | 351,516,361 | |
| -1 | -351,516,361 |
Let's try dividing by 4:
351,516,361 ÷ 4 = 87,879,090.25
If the quotient is a whole number, then 4 and 87,879,090.25 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 | 351,516,361 | |
| -1 | 351,516,361 |
If you did it right, you will end up with this table:
| 1 | 7 | 17 | 119 | 131 | 917 | 2,227 | 15,589 | 22,549 | 157,843 | 383,333 | 2,683,331 | 2,953,919 | 20,677,433 | 50,216,623 | 351,516,361 |
| -1 | -7 | -17 | -119 | -131 | -917 | -2,227 | -15,589 | -22,549 | -157,843 | -383,333 | -2,683,331 | -2,953,919 | -20,677,433 | -50,216,623 | -351,516,361 |
Here are some more numbers to try:
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