A:
Positive:
1 x 105810255 x 21162057 x 151157513 x 81392525 x 42324135 x 30231565 x 16278591 x 116275175 x 60463325 x 32557455 x 232552275 x 4651
Negative:
-1 x -10581025-5 x -2116205-7 x -1511575-13 x -813925-25 x -423241-35 x -302315-65 x -162785-91 x -116275-175 x -60463-325 x -32557-455 x -23255-2275 x -4651
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 10,581,025, 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 | 10,581,025 | |
| -1 | -10,581,025 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 10,581,025.
Example:
1 x 10,581,025 = 10,581,025
and
-1 x -10,581,025 = 10,581,025
Notice both answers equal 10,581,025
With that explanation out of the way, let's continue. Next, we take the number 10,581,025 and divide it by 2:
10,581,025 ÷ 2 = 5,290,512.5
If the quotient is a whole number, then 2 and 5,290,512.5 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 | 10,581,025 | |
| -1 | -10,581,025 |
Now, we try dividing 10,581,025 by 3:
10,581,025 ÷ 3 = 3,527,008.3333
If the quotient is a whole number, then 3 and 3,527,008.3333 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 | 10,581,025 | |
| -1 | -10,581,025 |
Let's try dividing by 4:
10,581,025 ÷ 4 = 2,645,256.25
If the quotient is a whole number, then 4 and 2,645,256.25 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 | 10,581,025 | |
| -1 | 10,581,025 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 13 | 25 | 35 | 65 | 91 | 175 | 325 | 455 | 2,275 | 4,651 | 23,255 | 32,557 | 60,463 | 116,275 | 162,785 | 302,315 | 423,241 | 813,925 | 1,511,575 | 2,116,205 | 10,581,025 |
| -1 | -5 | -7 | -13 | -25 | -35 | -65 | -91 | -175 | -325 | -455 | -2,275 | -4,651 | -23,255 | -32,557 | -60,463 | -116,275 | -162,785 | -302,315 | -423,241 | -813,925 | -1,511,575 | -2,116,205 | -10,581,025 |
Here are some more numbers to try:
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