A:
Positive:
1 x 6054146455 x 12108292911 x 5503769555 x 11007539137 x 4419085685 x 8838171507 x 4017357535 x 80347
Negative:
-1 x -605414645-5 x -121082929-11 x -55037695-55 x -11007539-137 x -4419085-685 x -883817-1507 x -401735-7535 x -80347
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 605,414,645, 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 | 605,414,645 | |
| -1 | -605,414,645 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 605,414,645.
Example:
1 x 605,414,645 = 605,414,645
and
-1 x -605,414,645 = 605,414,645
Notice both answers equal 605,414,645
With that explanation out of the way, let's continue. Next, we take the number 605,414,645 and divide it by 2:
605,414,645 ÷ 2 = 302,707,322.5
If the quotient is a whole number, then 2 and 302,707,322.5 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 | 605,414,645 | |
| -1 | -605,414,645 |
Now, we try dividing 605,414,645 by 3:
605,414,645 ÷ 3 = 201,804,881.6667
If the quotient is a whole number, then 3 and 201,804,881.6667 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 | 605,414,645 | |
| -1 | -605,414,645 |
Let's try dividing by 4:
605,414,645 ÷ 4 = 151,353,661.25
If the quotient is a whole number, then 4 and 151,353,661.25 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 | 605,414,645 | |
| -1 | 605,414,645 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 55 | 137 | 685 | 1,507 | 7,535 | 80,347 | 401,735 | 883,817 | 4,419,085 | 11,007,539 | 55,037,695 | 121,082,929 | 605,414,645 |
| -1 | -5 | -11 | -55 | -137 | -685 | -1,507 | -7,535 | -80,347 | -401,735 | -883,817 | -4,419,085 | -11,007,539 | -55,037,695 | -121,082,929 | -605,414,645 |
Here are some more numbers to try:
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