A:
Positive:
1 x 72708355 x 145416711 x 66098513 x 55929555 x 13219765 x 111859143 x 50845715 x 10169
Negative:
-1 x -7270835-5 x -1454167-11 x -660985-13 x -559295-55 x -132197-65 x -111859-143 x -50845-715 x -10169
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 7,270,835, 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 | 7,270,835 | |
| -1 | -7,270,835 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 7,270,835.
Example:
1 x 7,270,835 = 7,270,835
and
-1 x -7,270,835 = 7,270,835
Notice both answers equal 7,270,835
With that explanation out of the way, let's continue. Next, we take the number 7,270,835 and divide it by 2:
7,270,835 ÷ 2 = 3,635,417.5
If the quotient is a whole number, then 2 and 3,635,417.5 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 | 7,270,835 | |
| -1 | -7,270,835 |
Now, we try dividing 7,270,835 by 3:
7,270,835 ÷ 3 = 2,423,611.6667
If the quotient is a whole number, then 3 and 2,423,611.6667 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 | 7,270,835 | |
| -1 | -7,270,835 |
Let's try dividing by 4:
7,270,835 ÷ 4 = 1,817,708.75
If the quotient is a whole number, then 4 and 1,817,708.75 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 | 7,270,835 | |
| -1 | 7,270,835 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 13 | 55 | 65 | 143 | 715 | 10,169 | 50,845 | 111,859 | 132,197 | 559,295 | 660,985 | 1,454,167 | 7,270,835 |
| -1 | -5 | -11 | -13 | -55 | -65 | -143 | -715 | -10,169 | -50,845 | -111,859 | -132,197 | -559,295 | -660,985 | -1,454,167 | -7,270,835 |
Here are some more numbers to try:
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