A:
Positive:
1 x 255266417 x 364666329 x 88022941 x 622601203 x 125747287 x 889431189 x 214693067 x 8323
Negative:
-1 x -25526641-7 x -3646663-29 x -880229-41 x -622601-203 x -125747-287 x -88943-1189 x -21469-3067 x -8323
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 25,526,641, 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 | 25,526,641 | |
| -1 | -25,526,641 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 25,526,641.
Example:
1 x 25,526,641 = 25,526,641
and
-1 x -25,526,641 = 25,526,641
Notice both answers equal 25,526,641
With that explanation out of the way, let's continue. Next, we take the number 25,526,641 and divide it by 2:
25,526,641 ÷ 2 = 12,763,320.5
If the quotient is a whole number, then 2 and 12,763,320.5 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 | 25,526,641 | |
| -1 | -25,526,641 |
Now, we try dividing 25,526,641 by 3:
25,526,641 ÷ 3 = 8,508,880.3333
If the quotient is a whole number, then 3 and 8,508,880.3333 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 | 25,526,641 | |
| -1 | -25,526,641 |
Let's try dividing by 4:
25,526,641 ÷ 4 = 6,381,660.25
If the quotient is a whole number, then 4 and 6,381,660.25 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 | 25,526,641 | |
| -1 | 25,526,641 |
If you did it right, you will end up with this table:
| 1 | 7 | 29 | 41 | 203 | 287 | 1,189 | 3,067 | 8,323 | 21,469 | 88,943 | 125,747 | 622,601 | 880,229 | 3,646,663 | 25,526,641 |
| -1 | -7 | -29 | -41 | -203 | -287 | -1,189 | -3,067 | -8,323 | -21,469 | -88,943 | -125,747 | -622,601 | -880,229 | -3,646,663 | -25,526,641 |
Here are some more numbers to try:
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