A:
Positive:
1 x 42240255 x 84480513 x 32492525 x 16896141 x 10302565 x 64985205 x 20605317 x 13325325 x 12997533 x 79251025 x 41211585 x 2665
Negative:
-1 x -4224025-5 x -844805-13 x -324925-25 x -168961-41 x -103025-65 x -64985-205 x -20605-317 x -13325-325 x -12997-533 x -7925-1025 x -4121-1585 x -2665
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 4,224,025, 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 | 4,224,025 | |
| -1 | -4,224,025 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 4,224,025.
Example:
1 x 4,224,025 = 4,224,025
and
-1 x -4,224,025 = 4,224,025
Notice both answers equal 4,224,025
With that explanation out of the way, let's continue. Next, we take the number 4,224,025 and divide it by 2:
4,224,025 ÷ 2 = 2,112,012.5
If the quotient is a whole number, then 2 and 2,112,012.5 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 | 4,224,025 | |
| -1 | -4,224,025 |
Now, we try dividing 4,224,025 by 3:
4,224,025 ÷ 3 = 1,408,008.3333
If the quotient is a whole number, then 3 and 1,408,008.3333 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 | 4,224,025 | |
| -1 | -4,224,025 |
Let's try dividing by 4:
4,224,025 ÷ 4 = 1,056,006.25
If the quotient is a whole number, then 4 and 1,056,006.25 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 | 4,224,025 | |
| -1 | 4,224,025 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 25 | 41 | 65 | 205 | 317 | 325 | 533 | 1,025 | 1,585 | 2,665 | 4,121 | 7,925 | 12,997 | 13,325 | 20,605 | 64,985 | 103,025 | 168,961 | 324,925 | 844,805 | 4,224,025 |
| -1 | -5 | -13 | -25 | -41 | -65 | -205 | -317 | -325 | -533 | -1,025 | -1,585 | -2,665 | -4,121 | -7,925 | -12,997 | -13,325 | -20,605 | -64,985 | -103,025 | -168,961 | -324,925 | -844,805 | -4,224,025 |
Here are some more numbers to try:
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