A:
Positive:
1 x 75866055 x 151732113 x 58358519 x 39929565 x 11671795 x 79859247 x 307151235 x 6143
Negative:
-1 x -7586605-5 x -1517321-13 x -583585-19 x -399295-65 x -116717-95 x -79859-247 x -30715-1235 x -6143
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 7,586,605, 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 | 7,586,605 | |
| -1 | -7,586,605 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 7,586,605.
Example:
1 x 7,586,605 = 7,586,605
and
-1 x -7,586,605 = 7,586,605
Notice both answers equal 7,586,605
With that explanation out of the way, let's continue. Next, we take the number 7,586,605 and divide it by 2:
7,586,605 ÷ 2 = 3,793,302.5
If the quotient is a whole number, then 2 and 3,793,302.5 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 | 7,586,605 | |
| -1 | -7,586,605 |
Now, we try dividing 7,586,605 by 3:
7,586,605 ÷ 3 = 2,528,868.3333
If the quotient is a whole number, then 3 and 2,528,868.3333 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 | 7,586,605 | |
| -1 | -7,586,605 |
Let's try dividing by 4:
7,586,605 ÷ 4 = 1,896,651.25
If the quotient is a whole number, then 4 and 1,896,651.25 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 | 7,586,605 | |
| -1 | 7,586,605 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 19 | 65 | 95 | 247 | 1,235 | 6,143 | 30,715 | 79,859 | 116,717 | 399,295 | 583,585 | 1,517,321 | 7,586,605 |
| -1 | -5 | -13 | -19 | -65 | -95 | -247 | -1,235 | -6,143 | -30,715 | -79,859 | -116,717 | -399,295 | -583,585 | -1,517,321 | -7,586,605 |
Here are some more numbers to try:
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