A:
Positive:
1 x 253698955 x 507397947 x 53978589 x 285055235 x 107957445 x 570111213 x 209154183 x 6065
Negative:
-1 x -25369895-5 x -5073979-47 x -539785-89 x -285055-235 x -107957-445 x -57011-1213 x -20915-4183 x -6065
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 25,369,895, 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 | 25,369,895 | |
| -1 | -25,369,895 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 25,369,895.
Example:
1 x 25,369,895 = 25,369,895
and
-1 x -25,369,895 = 25,369,895
Notice both answers equal 25,369,895
With that explanation out of the way, let's continue. Next, we take the number 25,369,895 and divide it by 2:
25,369,895 ÷ 2 = 12,684,947.5
If the quotient is a whole number, then 2 and 12,684,947.5 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 | 25,369,895 | |
| -1 | -25,369,895 |
Now, we try dividing 25,369,895 by 3:
25,369,895 ÷ 3 = 8,456,631.6667
If the quotient is a whole number, then 3 and 8,456,631.6667 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 | 25,369,895 | |
| -1 | -25,369,895 |
Let's try dividing by 4:
25,369,895 ÷ 4 = 6,342,473.75
If the quotient is a whole number, then 4 and 6,342,473.75 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 | 25,369,895 | |
| -1 | 25,369,895 |
If you did it right, you will end up with this table:
| 1 | 5 | 47 | 89 | 235 | 445 | 1,213 | 4,183 | 6,065 | 20,915 | 57,011 | 107,957 | 285,055 | 539,785 | 5,073,979 | 25,369,895 |
| -1 | -5 | -47 | -89 | -235 | -445 | -1,213 | -4,183 | -6,065 | -20,915 | -57,011 | -107,957 | -285,055 | -539,785 | -5,073,979 | -25,369,895 |
Here are some more numbers to try:
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