A:
Positive:
1 x 77430255 x 154860525 x 30972131 x 24977597 x 79825103 x 75175155 x 49955485 x 15965515 x 15035775 x 99912425 x 31932575 x 3007
Negative:
-1 x -7743025-5 x -1548605-25 x -309721-31 x -249775-97 x -79825-103 x -75175-155 x -49955-485 x -15965-515 x -15035-775 x -9991-2425 x -3193-2575 x -3007
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 7,743,025, 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 | 7,743,025 | |
| -1 | -7,743,025 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 7,743,025.
Example:
1 x 7,743,025 = 7,743,025
and
-1 x -7,743,025 = 7,743,025
Notice both answers equal 7,743,025
With that explanation out of the way, let's continue. Next, we take the number 7,743,025 and divide it by 2:
7,743,025 ÷ 2 = 3,871,512.5
If the quotient is a whole number, then 2 and 3,871,512.5 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 | 7,743,025 | |
| -1 | -7,743,025 |
Now, we try dividing 7,743,025 by 3:
7,743,025 ÷ 3 = 2,581,008.3333
If the quotient is a whole number, then 3 and 2,581,008.3333 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 | 7,743,025 | |
| -1 | -7,743,025 |
Let's try dividing by 4:
7,743,025 ÷ 4 = 1,935,756.25
If the quotient is a whole number, then 4 and 1,935,756.25 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 | 7,743,025 | |
| -1 | 7,743,025 |
If you did it right, you will end up with this table:
| 1 | 5 | 25 | 31 | 97 | 103 | 155 | 485 | 515 | 775 | 2,425 | 2,575 | 3,007 | 3,193 | 9,991 | 15,035 | 15,965 | 49,955 | 75,175 | 79,825 | 249,775 | 309,721 | 1,548,605 | 7,743,025 |
| -1 | -5 | -25 | -31 | -97 | -103 | -155 | -485 | -515 | -775 | -2,425 | -2,575 | -3,007 | -3,193 | -9,991 | -15,035 | -15,965 | -49,955 | -75,175 | -79,825 | -249,775 | -309,721 | -1,548,605 | -7,743,025 |
Here are some more numbers to try:
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