A:
Positive:
1 x 64102255 x 128204525 x 25640943 x 14907567 x 9567589 x 72025215 x 29815335 x 19135445 x 144051075 x 59631675 x 38272225 x 2881
Negative:
-1 x -6410225-5 x -1282045-25 x -256409-43 x -149075-67 x -95675-89 x -72025-215 x -29815-335 x -19135-445 x -14405-1075 x -5963-1675 x -3827-2225 x -2881
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 6,410,225, 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 | 6,410,225 | |
| -1 | -6,410,225 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 6,410,225.
Example:
1 x 6,410,225 = 6,410,225
and
-1 x -6,410,225 = 6,410,225
Notice both answers equal 6,410,225
With that explanation out of the way, let's continue. Next, we take the number 6,410,225 and divide it by 2:
6,410,225 ÷ 2 = 3,205,112.5
If the quotient is a whole number, then 2 and 3,205,112.5 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 | 6,410,225 | |
| -1 | -6,410,225 |
Now, we try dividing 6,410,225 by 3:
6,410,225 ÷ 3 = 2,136,741.6667
If the quotient is a whole number, then 3 and 2,136,741.6667 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 | 6,410,225 | |
| -1 | -6,410,225 |
Let's try dividing by 4:
6,410,225 ÷ 4 = 1,602,556.25
If the quotient is a whole number, then 4 and 1,602,556.25 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 | 6,410,225 | |
| -1 | 6,410,225 |
If you did it right, you will end up with this table:
| 1 | 5 | 25 | 43 | 67 | 89 | 215 | 335 | 445 | 1,075 | 1,675 | 2,225 | 2,881 | 3,827 | 5,963 | 14,405 | 19,135 | 29,815 | 72,025 | 95,675 | 149,075 | 256,409 | 1,282,045 | 6,410,225 |
| -1 | -5 | -25 | -43 | -67 | -89 | -215 | -335 | -445 | -1,075 | -1,675 | -2,225 | -2,881 | -3,827 | -5,963 | -14,405 | -19,135 | -29,815 | -72,025 | -95,675 | -149,075 | -256,409 | -1,282,045 | -6,410,225 |
Here are some more numbers to try:
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