A:
Positive:
1 x 141559155 x 283118329 x 488135145 x 97627233 x 60755419 x 337851165 x 121512095 x 6757
Negative:
-1 x -14155915-5 x -2831183-29 x -488135-145 x -97627-233 x -60755-419 x -33785-1165 x -12151-2095 x -6757
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 14,155,915, 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 | 14,155,915 | |
| -1 | -14,155,915 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 14,155,915.
Example:
1 x 14,155,915 = 14,155,915
and
-1 x -14,155,915 = 14,155,915
Notice both answers equal 14,155,915
With that explanation out of the way, let's continue. Next, we take the number 14,155,915 and divide it by 2:
14,155,915 ÷ 2 = 7,077,957.5
If the quotient is a whole number, then 2 and 7,077,957.5 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 | 14,155,915 | |
| -1 | -14,155,915 |
Now, we try dividing 14,155,915 by 3:
14,155,915 ÷ 3 = 4,718,638.3333
If the quotient is a whole number, then 3 and 4,718,638.3333 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 | 14,155,915 | |
| -1 | -14,155,915 |
Let's try dividing by 4:
14,155,915 ÷ 4 = 3,538,978.75
If the quotient is a whole number, then 4 and 3,538,978.75 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 | 14,155,915 | |
| -1 | 14,155,915 |
If you did it right, you will end up with this table:
| 1 | 5 | 29 | 145 | 233 | 419 | 1,165 | 2,095 | 6,757 | 12,151 | 33,785 | 60,755 | 97,627 | 488,135 | 2,831,183 | 14,155,915 |
| -1 | -5 | -29 | -145 | -233 | -419 | -1,165 | -2,095 | -6,757 | -12,151 | -33,785 | -60,755 | -97,627 | -488,135 | -2,831,183 | -14,155,915 |
Here are some more numbers to try:
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