A:
Positive:
1 x 3566154137 x 5094505911 x 3241958331 x 1150372377 x 4631369217 x 1643389341 x 10457932387 x 149399
Negative:
-1 x -356615413-7 x -50945059-11 x -32419583-31 x -11503723-77 x -4631369-217 x -1643389-341 x -1045793-2387 x -149399
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 356,615,413, 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 | 356,615,413 | |
| -1 | -356,615,413 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 356,615,413.
Example:
1 x 356,615,413 = 356,615,413
and
-1 x -356,615,413 = 356,615,413
Notice both answers equal 356,615,413
With that explanation out of the way, let's continue. Next, we take the number 356,615,413 and divide it by 2:
356,615,413 ÷ 2 = 178,307,706.5
If the quotient is a whole number, then 2 and 178,307,706.5 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 | 356,615,413 | |
| -1 | -356,615,413 |
Now, we try dividing 356,615,413 by 3:
356,615,413 ÷ 3 = 118,871,804.3333
If the quotient is a whole number, then 3 and 118,871,804.3333 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 | 356,615,413 | |
| -1 | -356,615,413 |
Let's try dividing by 4:
356,615,413 ÷ 4 = 89,153,853.25
If the quotient is a whole number, then 4 and 89,153,853.25 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 | 356,615,413 | |
| -1 | 356,615,413 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 31 | 77 | 217 | 341 | 2,387 | 149,399 | 1,045,793 | 1,643,389 | 4,631,369 | 11,503,723 | 32,419,583 | 50,945,059 | 356,615,413 |
| -1 | -7 | -11 | -31 | -77 | -217 | -341 | -2,387 | -149,399 | -1,045,793 | -1,643,389 | -4,631,369 | -11,503,723 | -32,419,583 | -50,945,059 | -356,615,413 |
Here are some more numbers to try:
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