A:
Positive:
1 x 2350325455 x 4700650911 x 2136659531 x 758169555 x 4273319155 x 1516339341 x 6892451705 x 137849
Negative:
-1 x -235032545-5 x -47006509-11 x -21366595-31 x -7581695-55 x -4273319-155 x -1516339-341 x -689245-1705 x -137849
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 235,032,545, 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 | 235,032,545 | |
| -1 | -235,032,545 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 235,032,545.
Example:
1 x 235,032,545 = 235,032,545
and
-1 x -235,032,545 = 235,032,545
Notice both answers equal 235,032,545
With that explanation out of the way, let's continue. Next, we take the number 235,032,545 and divide it by 2:
235,032,545 ÷ 2 = 117,516,272.5
If the quotient is a whole number, then 2 and 117,516,272.5 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 | 235,032,545 | |
| -1 | -235,032,545 |
Now, we try dividing 235,032,545 by 3:
235,032,545 ÷ 3 = 78,344,181.6667
If the quotient is a whole number, then 3 and 78,344,181.6667 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 | 235,032,545 | |
| -1 | -235,032,545 |
Let's try dividing by 4:
235,032,545 ÷ 4 = 58,758,136.25
If the quotient is a whole number, then 4 and 58,758,136.25 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 | 235,032,545 | |
| -1 | 235,032,545 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 31 | 55 | 155 | 341 | 1,705 | 137,849 | 689,245 | 1,516,339 | 4,273,319 | 7,581,695 | 21,366,595 | 47,006,509 | 235,032,545 |
| -1 | -5 | -11 | -31 | -55 | -155 | -341 | -1,705 | -137,849 | -689,245 | -1,516,339 | -4,273,319 | -7,581,695 | -21,366,595 | -47,006,509 | -235,032,545 |
Here are some more numbers to try:
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