A:
Positive:
1 x 392629255 x 785258513 x 302022525 x 157051765 x 604045169 x 232325325 x 120809845 x 464654225 x 9293
Negative:
-1 x -39262925-5 x -7852585-13 x -3020225-25 x -1570517-65 x -604045-169 x -232325-325 x -120809-845 x -46465-4225 x -9293
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 39,262,925, 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 | 39,262,925 | |
| -1 | -39,262,925 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 39,262,925.
Example:
1 x 39,262,925 = 39,262,925
and
-1 x -39,262,925 = 39,262,925
Notice both answers equal 39,262,925
With that explanation out of the way, let's continue. Next, we take the number 39,262,925 and divide it by 2:
39,262,925 ÷ 2 = 19,631,462.5
If the quotient is a whole number, then 2 and 19,631,462.5 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 | 39,262,925 | |
| -1 | -39,262,925 |
Now, we try dividing 39,262,925 by 3:
39,262,925 ÷ 3 = 13,087,641.6667
If the quotient is a whole number, then 3 and 13,087,641.6667 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 | 39,262,925 | |
| -1 | -39,262,925 |
Let's try dividing by 4:
39,262,925 ÷ 4 = 9,815,731.25
If the quotient is a whole number, then 4 and 9,815,731.25 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 | 39,262,925 | |
| -1 | 39,262,925 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 25 | 65 | 169 | 325 | 845 | 4,225 | 9,293 | 46,465 | 120,809 | 232,325 | 604,045 | 1,570,517 | 3,020,225 | 7,852,585 | 39,262,925 |
| -1 | -5 | -13 | -25 | -65 | -169 | -325 | -845 | -4,225 | -9,293 | -46,465 | -120,809 | -232,325 | -604,045 | -1,570,517 | -3,020,225 | -7,852,585 | -39,262,925 |
Here are some more numbers to try:
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