A:
Positive:
1 x 716063655 x 1432127329 x 2469185145 x 493837379 x 1889351303 x 549551895 x 377876515 x 10991
Negative:
-1 x -71606365-5 x -14321273-29 x -2469185-145 x -493837-379 x -188935-1303 x -54955-1895 x -37787-6515 x -10991
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 71,606,365, 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 | 71,606,365 | |
| -1 | -71,606,365 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 71,606,365.
Example:
1 x 71,606,365 = 71,606,365
and
-1 x -71,606,365 = 71,606,365
Notice both answers equal 71,606,365
With that explanation out of the way, let's continue. Next, we take the number 71,606,365 and divide it by 2:
71,606,365 ÷ 2 = 35,803,182.5
If the quotient is a whole number, then 2 and 35,803,182.5 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 | 71,606,365 | |
| -1 | -71,606,365 |
Now, we try dividing 71,606,365 by 3:
71,606,365 ÷ 3 = 23,868,788.3333
If the quotient is a whole number, then 3 and 23,868,788.3333 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 | 71,606,365 | |
| -1 | -71,606,365 |
Let's try dividing by 4:
71,606,365 ÷ 4 = 17,901,591.25
If the quotient is a whole number, then 4 and 17,901,591.25 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 | 71,606,365 | |
| -1 | 71,606,365 |
If you did it right, you will end up with this table:
| 1 | 5 | 29 | 145 | 379 | 1,303 | 1,895 | 6,515 | 10,991 | 37,787 | 54,955 | 188,935 | 493,837 | 2,469,185 | 14,321,273 | 71,606,365 |
| -1 | -5 | -29 | -145 | -379 | -1,303 | -1,895 | -6,515 | -10,991 | -37,787 | -54,955 | -188,935 | -493,837 | -2,469,185 | -14,321,273 | -71,606,365 |
Here are some more numbers to try:
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