A:
Positive:
1 x 70201155 x 140402353 x 13245559 x 118985265 x 26491295 x 23797449 x 156352245 x 3127
Negative:
-1 x -7020115-5 x -1404023-53 x -132455-59 x -118985-265 x -26491-295 x -23797-449 x -15635-2245 x -3127
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 7,020,115, 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 | 7,020,115 | |
| -1 | -7,020,115 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 7,020,115.
Example:
1 x 7,020,115 = 7,020,115
and
-1 x -7,020,115 = 7,020,115
Notice both answers equal 7,020,115
With that explanation out of the way, let's continue. Next, we take the number 7,020,115 and divide it by 2:
7,020,115 ÷ 2 = 3,510,057.5
If the quotient is a whole number, then 2 and 3,510,057.5 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 | 7,020,115 | |
| -1 | -7,020,115 |
Now, we try dividing 7,020,115 by 3:
7,020,115 ÷ 3 = 2,340,038.3333
If the quotient is a whole number, then 3 and 2,340,038.3333 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 | 7,020,115 | |
| -1 | -7,020,115 |
Let's try dividing by 4:
7,020,115 ÷ 4 = 1,755,028.75
If the quotient is a whole number, then 4 and 1,755,028.75 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 | 7,020,115 | |
| -1 | 7,020,115 |
If you did it right, you will end up with this table:
| 1 | 5 | 53 | 59 | 265 | 295 | 449 | 2,245 | 3,127 | 15,635 | 23,797 | 26,491 | 118,985 | 132,455 | 1,404,023 | 7,020,115 |
| -1 | -5 | -53 | -59 | -265 | -295 | -449 | -2,245 | -3,127 | -15,635 | -23,797 | -26,491 | -118,985 | -132,455 | -1,404,023 | -7,020,115 |
Here are some more numbers to try:
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