A:
Positive:
1 x 247762137 x 353945911 x 225238343 x 57619149 x 50563777 x 321769301 x 82313473 x 52381539 x 459671069 x 231772107 x 117593311 x 7483
Negative:
-1 x -24776213-7 x -3539459-11 x -2252383-43 x -576191-49 x -505637-77 x -321769-301 x -82313-473 x -52381-539 x -45967-1069 x -23177-2107 x -11759-3311 x -7483
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 24,776,213, 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 | 24,776,213 | |
| -1 | -24,776,213 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 24,776,213.
Example:
1 x 24,776,213 = 24,776,213
and
-1 x -24,776,213 = 24,776,213
Notice both answers equal 24,776,213
With that explanation out of the way, let's continue. Next, we take the number 24,776,213 and divide it by 2:
24,776,213 ÷ 2 = 12,388,106.5
If the quotient is a whole number, then 2 and 12,388,106.5 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 | 24,776,213 | |
| -1 | -24,776,213 |
Now, we try dividing 24,776,213 by 3:
24,776,213 ÷ 3 = 8,258,737.6667
If the quotient is a whole number, then 3 and 8,258,737.6667 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 | 24,776,213 | |
| -1 | -24,776,213 |
Let's try dividing by 4:
24,776,213 ÷ 4 = 6,194,053.25
If the quotient is a whole number, then 4 and 6,194,053.25 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 | 24,776,213 | |
| -1 | 24,776,213 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 43 | 49 | 77 | 301 | 473 | 539 | 1,069 | 2,107 | 3,311 | 7,483 | 11,759 | 23,177 | 45,967 | 52,381 | 82,313 | 321,769 | 505,637 | 576,191 | 2,252,383 | 3,539,459 | 24,776,213 |
| -1 | -7 | -11 | -43 | -49 | -77 | -301 | -473 | -539 | -1,069 | -2,107 | -3,311 | -7,483 | -11,759 | -23,177 | -45,967 | -52,381 | -82,313 | -321,769 | -505,637 | -576,191 | -2,252,383 | -3,539,459 | -24,776,213 |
Here are some more numbers to try:
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