A:
Positive:
1 x 245635555 x 491271117 x 144491585 x 28898389 x 275995191 x 128605289 x 84995445 x 55199955 x 257211445 x 169991513 x 162353247 x 7565
Negative:
-1 x -24563555-5 x -4912711-17 x -1444915-85 x -288983-89 x -275995-191 x -128605-289 x -84995-445 x -55199-955 x -25721-1445 x -16999-1513 x -16235-3247 x -7565
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 24,563,555, 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 | 24,563,555 | |
| -1 | -24,563,555 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 24,563,555.
Example:
1 x 24,563,555 = 24,563,555
and
-1 x -24,563,555 = 24,563,555
Notice both answers equal 24,563,555
With that explanation out of the way, let's continue. Next, we take the number 24,563,555 and divide it by 2:
24,563,555 ÷ 2 = 12,281,777.5
If the quotient is a whole number, then 2 and 12,281,777.5 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 | 24,563,555 | |
| -1 | -24,563,555 |
Now, we try dividing 24,563,555 by 3:
24,563,555 ÷ 3 = 8,187,851.6667
If the quotient is a whole number, then 3 and 8,187,851.6667 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 | 24,563,555 | |
| -1 | -24,563,555 |
Let's try dividing by 4:
24,563,555 ÷ 4 = 6,140,888.75
If the quotient is a whole number, then 4 and 6,140,888.75 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 | 24,563,555 | |
| -1 | 24,563,555 |
If you did it right, you will end up with this table:
| 1 | 5 | 17 | 85 | 89 | 191 | 289 | 445 | 955 | 1,445 | 1,513 | 3,247 | 7,565 | 16,235 | 16,999 | 25,721 | 55,199 | 84,995 | 128,605 | 275,995 | 288,983 | 1,444,915 | 4,912,711 | 24,563,555 |
| -1 | -5 | -17 | -85 | -89 | -191 | -289 | -445 | -955 | -1,445 | -1,513 | -3,247 | -7,565 | -16,235 | -16,999 | -25,721 | -55,199 | -84,995 | -128,605 | -275,995 | -288,983 | -1,444,915 | -4,912,711 | -24,563,555 |
Here are some more numbers to try:
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