A:
Positive:
1 x 2506645713 x 192818941 x 611377131 x 191347359 x 69823533 x 470291703 x 147194667 x 5371
Negative:
-1 x -25066457-13 x -1928189-41 x -611377-131 x -191347-359 x -69823-533 x -47029-1703 x -14719-4667 x -5371
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 25,066,457, 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 | 25,066,457 | |
| -1 | -25,066,457 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 25,066,457.
Example:
1 x 25,066,457 = 25,066,457
and
-1 x -25,066,457 = 25,066,457
Notice both answers equal 25,066,457
With that explanation out of the way, let's continue. Next, we take the number 25,066,457 and divide it by 2:
25,066,457 ÷ 2 = 12,533,228.5
If the quotient is a whole number, then 2 and 12,533,228.5 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 | 25,066,457 | |
| -1 | -25,066,457 |
Now, we try dividing 25,066,457 by 3:
25,066,457 ÷ 3 = 8,355,485.6667
If the quotient is a whole number, then 3 and 8,355,485.6667 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 | 25,066,457 | |
| -1 | -25,066,457 |
Let's try dividing by 4:
25,066,457 ÷ 4 = 6,266,614.25
If the quotient is a whole number, then 4 and 6,266,614.25 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 | 25,066,457 | |
| -1 | 25,066,457 |
If you did it right, you will end up with this table:
| 1 | 13 | 41 | 131 | 359 | 533 | 1,703 | 4,667 | 5,371 | 14,719 | 47,029 | 69,823 | 191,347 | 611,377 | 1,928,189 | 25,066,457 |
| -1 | -13 | -41 | -131 | -359 | -533 | -1,703 | -4,667 | -5,371 | -14,719 | -47,029 | -69,823 | -191,347 | -611,377 | -1,928,189 | -25,066,457 |
Here are some more numbers to try:
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