A:
Positive:
1 x 130240255 x 26048057 x 186057519 x 68547525 x 52096135 x 37211595 x 137095133 x 97925175 x 74423475 x 27419665 x 195853325 x 3917
Negative:
-1 x -13024025-5 x -2604805-7 x -1860575-19 x -685475-25 x -520961-35 x -372115-95 x -137095-133 x -97925-175 x -74423-475 x -27419-665 x -19585-3325 x -3917
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 13,024,025, 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 | 13,024,025 | |
| -1 | -13,024,025 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 13,024,025.
Example:
1 x 13,024,025 = 13,024,025
and
-1 x -13,024,025 = 13,024,025
Notice both answers equal 13,024,025
With that explanation out of the way, let's continue. Next, we take the number 13,024,025 and divide it by 2:
13,024,025 ÷ 2 = 6,512,012.5
If the quotient is a whole number, then 2 and 6,512,012.5 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 | 13,024,025 | |
| -1 | -13,024,025 |
Now, we try dividing 13,024,025 by 3:
13,024,025 ÷ 3 = 4,341,341.6667
If the quotient is a whole number, then 3 and 4,341,341.6667 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 | 13,024,025 | |
| -1 | -13,024,025 |
Let's try dividing by 4:
13,024,025 ÷ 4 = 3,256,006.25
If the quotient is a whole number, then 4 and 3,256,006.25 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 | 13,024,025 | |
| -1 | 13,024,025 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 19 | 25 | 35 | 95 | 133 | 175 | 475 | 665 | 3,325 | 3,917 | 19,585 | 27,419 | 74,423 | 97,925 | 137,095 | 372,115 | 520,961 | 685,475 | 1,860,575 | 2,604,805 | 13,024,025 |
| -1 | -5 | -7 | -19 | -25 | -35 | -95 | -133 | -175 | -475 | -665 | -3,325 | -3,917 | -19,585 | -27,419 | -74,423 | -97,925 | -137,095 | -372,115 | -520,961 | -685,475 | -1,860,575 | -2,604,805 | -13,024,025 |
Here are some more numbers to try:
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