A:
Positive:
1 x 72860455 x 145720913 x 56046565 x 112093197 x 36985569 x 12805985 x 73972561 x 2845
Negative:
-1 x -7286045-5 x -1457209-13 x -560465-65 x -112093-197 x -36985-569 x -12805-985 x -7397-2561 x -2845
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 7,286,045, 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 | 7,286,045 | |
| -1 | -7,286,045 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 7,286,045.
Example:
1 x 7,286,045 = 7,286,045
and
-1 x -7,286,045 = 7,286,045
Notice both answers equal 7,286,045
With that explanation out of the way, let's continue. Next, we take the number 7,286,045 and divide it by 2:
7,286,045 ÷ 2 = 3,643,022.5
If the quotient is a whole number, then 2 and 3,643,022.5 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 | 7,286,045 | |
| -1 | -7,286,045 |
Now, we try dividing 7,286,045 by 3:
7,286,045 ÷ 3 = 2,428,681.6667
If the quotient is a whole number, then 3 and 2,428,681.6667 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 | 7,286,045 | |
| -1 | -7,286,045 |
Let's try dividing by 4:
7,286,045 ÷ 4 = 1,821,511.25
If the quotient is a whole number, then 4 and 1,821,511.25 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 | 7,286,045 | |
| -1 | 7,286,045 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 65 | 197 | 569 | 985 | 2,561 | 2,845 | 7,397 | 12,805 | 36,985 | 112,093 | 560,465 | 1,457,209 | 7,286,045 |
| -1 | -5 | -13 | -65 | -197 | -569 | -985 | -2,561 | -2,845 | -7,397 | -12,805 | -36,985 | -112,093 | -560,465 | -1,457,209 | -7,286,045 |
Here are some more numbers to try:
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