A:
Positive:
1 x 2316165255 x 463233057 x 3308807525 x 926466135 x 6617615175 x 1323523251 x 9227751255 x 1845551757 x 1318255273 x 439256275 x 369118785 x 26365
Negative:
-1 x -231616525-5 x -46323305-7 x -33088075-25 x -9264661-35 x -6617615-175 x -1323523-251 x -922775-1255 x -184555-1757 x -131825-5273 x -43925-6275 x -36911-8785 x -26365
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 231,616,525, 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 | 231,616,525 | |
| -1 | -231,616,525 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 231,616,525.
Example:
1 x 231,616,525 = 231,616,525
and
-1 x -231,616,525 = 231,616,525
Notice both answers equal 231,616,525
With that explanation out of the way, let's continue. Next, we take the number 231,616,525 and divide it by 2:
231,616,525 ÷ 2 = 115,808,262.5
If the quotient is a whole number, then 2 and 115,808,262.5 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 | 231,616,525 | |
| -1 | -231,616,525 |
Now, we try dividing 231,616,525 by 3:
231,616,525 ÷ 3 = 77,205,508.3333
If the quotient is a whole number, then 3 and 77,205,508.3333 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 | 231,616,525 | |
| -1 | -231,616,525 |
Let's try dividing by 4:
231,616,525 ÷ 4 = 57,904,131.25
If the quotient is a whole number, then 4 and 57,904,131.25 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 | 231,616,525 | |
| -1 | 231,616,525 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 25 | 35 | 175 | 251 | 1,255 | 1,757 | 5,273 | 6,275 | 8,785 | 26,365 | 36,911 | 43,925 | 131,825 | 184,555 | 922,775 | 1,323,523 | 6,617,615 | 9,264,661 | 33,088,075 | 46,323,305 | 231,616,525 |
| -1 | -5 | -7 | -25 | -35 | -175 | -251 | -1,255 | -1,757 | -5,273 | -6,275 | -8,785 | -26,365 | -36,911 | -43,925 | -131,825 | -184,555 | -922,775 | -1,323,523 | -6,617,615 | -9,264,661 | -33,088,075 | -46,323,305 | -231,616,525 |
Here are some more numbers to try:
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