A:
Positive:
1 x 718390929 x 24772131 x 23173961 x 117769131 x 54839899 x 79911769 x 40611891 x 3799
Negative:
-1 x -7183909-29 x -247721-31 x -231739-61 x -117769-131 x -54839-899 x -7991-1769 x -4061-1891 x -3799
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 7,183,909, 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 | 7,183,909 | |
| -1 | -7,183,909 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 7,183,909.
Example:
1 x 7,183,909 = 7,183,909
and
-1 x -7,183,909 = 7,183,909
Notice both answers equal 7,183,909
With that explanation out of the way, let's continue. Next, we take the number 7,183,909 and divide it by 2:
7,183,909 ÷ 2 = 3,591,954.5
If the quotient is a whole number, then 2 and 3,591,954.5 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 | 7,183,909 | |
| -1 | -7,183,909 |
Now, we try dividing 7,183,909 by 3:
7,183,909 ÷ 3 = 2,394,636.3333
If the quotient is a whole number, then 3 and 2,394,636.3333 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 | 7,183,909 | |
| -1 | -7,183,909 |
Let's try dividing by 4:
7,183,909 ÷ 4 = 1,795,977.25
If the quotient is a whole number, then 4 and 1,795,977.25 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 | 7,183,909 | |
| -1 | 7,183,909 |
If you did it right, you will end up with this table:
| 1 | 29 | 31 | 61 | 131 | 899 | 1,769 | 1,891 | 3,799 | 4,061 | 7,991 | 54,839 | 117,769 | 231,739 | 247,721 | 7,183,909 |
| -1 | -29 | -31 | -61 | -131 | -899 | -1,769 | -1,891 | -3,799 | -4,061 | -7,991 | -54,839 | -117,769 | -231,739 | -247,721 | -7,183,909 |
Here are some more numbers to try:
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