A:
Positive:
1 x 956572111 x 86961119 x 50345937 x 258533209 x 45769407 x 23503703 x 136071237 x 7733
Negative:
-1 x -9565721-11 x -869611-19 x -503459-37 x -258533-209 x -45769-407 x -23503-703 x -13607-1237 x -7733
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 9,565,721, 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 | 9,565,721 | |
| -1 | -9,565,721 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 9,565,721.
Example:
1 x 9,565,721 = 9,565,721
and
-1 x -9,565,721 = 9,565,721
Notice both answers equal 9,565,721
With that explanation out of the way, let's continue. Next, we take the number 9,565,721 and divide it by 2:
9,565,721 ÷ 2 = 4,782,860.5
If the quotient is a whole number, then 2 and 4,782,860.5 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 | 9,565,721 | |
| -1 | -9,565,721 |
Now, we try dividing 9,565,721 by 3:
9,565,721 ÷ 3 = 3,188,573.6667
If the quotient is a whole number, then 3 and 3,188,573.6667 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 | 9,565,721 | |
| -1 | -9,565,721 |
Let's try dividing by 4:
9,565,721 ÷ 4 = 2,391,430.25
If the quotient is a whole number, then 4 and 2,391,430.25 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 | 9,565,721 | |
| -1 | 9,565,721 |
If you did it right, you will end up with this table:
| 1 | 11 | 19 | 37 | 209 | 407 | 703 | 1,237 | 7,733 | 13,607 | 23,503 | 45,769 | 258,533 | 503,459 | 869,611 | 9,565,721 |
| -1 | -11 | -19 | -37 | -209 | -407 | -703 | -1,237 | -7,733 | -13,607 | -23,503 | -45,769 | -258,533 | -503,459 | -869,611 | -9,565,721 |
Here are some more numbers to try:
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