A:
Positive:
1 x 20010255 x 40020513 x 15392525 x 8004147 x 4257565 x 30785131 x 15275235 x 8515325 x 6157611 x 3275655 x 30551175 x 1703
Negative:
-1 x -2001025-5 x -400205-13 x -153925-25 x -80041-47 x -42575-65 x -30785-131 x -15275-235 x -8515-325 x -6157-611 x -3275-655 x -3055-1175 x -1703
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 2,001,025, 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 | 2,001,025 | |
| -1 | -2,001,025 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 2,001,025.
Example:
1 x 2,001,025 = 2,001,025
and
-1 x -2,001,025 = 2,001,025
Notice both answers equal 2,001,025
With that explanation out of the way, let's continue. Next, we take the number 2,001,025 and divide it by 2:
2,001,025 ÷ 2 = 1,000,512.5
If the quotient is a whole number, then 2 and 1,000,512.5 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 | 2,001,025 | |
| -1 | -2,001,025 |
Now, we try dividing 2,001,025 by 3:
2,001,025 ÷ 3 = 667,008.3333
If the quotient is a whole number, then 3 and 667,008.3333 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 | 2,001,025 | |
| -1 | -2,001,025 |
Let's try dividing by 4:
2,001,025 ÷ 4 = 500,256.25
If the quotient is a whole number, then 4 and 500,256.25 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 | 2,001,025 | |
| -1 | 2,001,025 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 25 | 47 | 65 | 131 | 235 | 325 | 611 | 655 | 1,175 | 1,703 | 3,055 | 3,275 | 6,157 | 8,515 | 15,275 | 30,785 | 42,575 | 80,041 | 153,925 | 400,205 | 2,001,025 |
| -1 | -5 | -13 | -25 | -47 | -65 | -131 | -235 | -325 | -611 | -655 | -1,175 | -1,703 | -3,055 | -3,275 | -6,157 | -8,515 | -15,275 | -30,785 | -42,575 | -80,041 | -153,925 | -400,205 | -2,001,025 |
Here are some more numbers to try:
Try the factor calculator