A:
Positive:
1 x 256304517 x 366149311 x 233004143 x 59605777 x 332863301 x 85151473 x 541873311 x 7741
Negative:
-1 x -25630451-7 x -3661493-11 x -2330041-43 x -596057-77 x -332863-301 x -85151-473 x -54187-3311 x -7741
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 25,630,451, 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 | 25,630,451 | |
| -1 | -25,630,451 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 25,630,451.
Example:
1 x 25,630,451 = 25,630,451
and
-1 x -25,630,451 = 25,630,451
Notice both answers equal 25,630,451
With that explanation out of the way, let's continue. Next, we take the number 25,630,451 and divide it by 2:
25,630,451 ÷ 2 = 12,815,225.5
If the quotient is a whole number, then 2 and 12,815,225.5 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 | 25,630,451 | |
| -1 | -25,630,451 |
Now, we try dividing 25,630,451 by 3:
25,630,451 ÷ 3 = 8,543,483.6667
If the quotient is a whole number, then 3 and 8,543,483.6667 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 | 25,630,451 | |
| -1 | -25,630,451 |
Let's try dividing by 4:
25,630,451 ÷ 4 = 6,407,612.75
If the quotient is a whole number, then 4 and 6,407,612.75 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 | 25,630,451 | |
| -1 | 25,630,451 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 43 | 77 | 301 | 473 | 3,311 | 7,741 | 54,187 | 85,151 | 332,863 | 596,057 | 2,330,041 | 3,661,493 | 25,630,451 |
| -1 | -7 | -11 | -43 | -77 | -301 | -473 | -3,311 | -7,741 | -54,187 | -85,151 | -332,863 | -596,057 | -2,330,041 | -3,661,493 | -25,630,451 |
Here are some more numbers to try:
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