A:
Positive:
1 x 2454461755 x 4908923513 x 1888047525 x 981784765 x 3776095325 x 755219829 x 296075911 x 2694254145 x 592154555 x 5388510777 x 2277511843 x 20725
Negative:
-1 x -245446175-5 x -49089235-13 x -18880475-25 x -9817847-65 x -3776095-325 x -755219-829 x -296075-911 x -269425-4145 x -59215-4555 x -53885-10777 x -22775-11843 x -20725
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 245,446,175, 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 | 245,446,175 | |
| -1 | -245,446,175 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 245,446,175.
Example:
1 x 245,446,175 = 245,446,175
and
-1 x -245,446,175 = 245,446,175
Notice both answers equal 245,446,175
With that explanation out of the way, let's continue. Next, we take the number 245,446,175 and divide it by 2:
245,446,175 ÷ 2 = 122,723,087.5
If the quotient is a whole number, then 2 and 122,723,087.5 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 | 245,446,175 | |
| -1 | -245,446,175 |
Now, we try dividing 245,446,175 by 3:
245,446,175 ÷ 3 = 81,815,391.6667
If the quotient is a whole number, then 3 and 81,815,391.6667 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 | 245,446,175 | |
| -1 | -245,446,175 |
Let's try dividing by 4:
245,446,175 ÷ 4 = 61,361,543.75
If the quotient is a whole number, then 4 and 61,361,543.75 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 | 245,446,175 | |
| -1 | 245,446,175 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 25 | 65 | 325 | 829 | 911 | 4,145 | 4,555 | 10,777 | 11,843 | 20,725 | 22,775 | 53,885 | 59,215 | 269,425 | 296,075 | 755,219 | 3,776,095 | 9,817,847 | 18,880,475 | 49,089,235 | 245,446,175 |
| -1 | -5 | -13 | -25 | -65 | -325 | -829 | -911 | -4,145 | -4,555 | -10,777 | -11,843 | -20,725 | -22,775 | -53,885 | -59,215 | -269,425 | -296,075 | -755,219 | -3,776,095 | -9,817,847 | -18,880,475 | -49,089,235 | -245,446,175 |
Here are some more numbers to try:
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