A:
Positive:
1 x 67364500917 x 3962617743 x 15666163461 x 1461269731 x 9215391999 x 3369917837 x 8595719823 x 33983
Negative:
-1 x -673645009-17 x -39626177-43 x -15666163-461 x -1461269-731 x -921539-1999 x -336991-7837 x -85957-19823 x -33983
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 673,645,009, 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 | 673,645,009 | |
| -1 | -673,645,009 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 673,645,009.
Example:
1 x 673,645,009 = 673,645,009
and
-1 x -673,645,009 = 673,645,009
Notice both answers equal 673,645,009
With that explanation out of the way, let's continue. Next, we take the number 673,645,009 and divide it by 2:
673,645,009 ÷ 2 = 336,822,504.5
If the quotient is a whole number, then 2 and 336,822,504.5 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 | 673,645,009 | |
| -1 | -673,645,009 |
Now, we try dividing 673,645,009 by 3:
673,645,009 ÷ 3 = 224,548,336.3333
If the quotient is a whole number, then 3 and 224,548,336.3333 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 | 673,645,009 | |
| -1 | -673,645,009 |
Let's try dividing by 4:
673,645,009 ÷ 4 = 168,411,252.25
If the quotient is a whole number, then 4 and 168,411,252.25 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 | 673,645,009 | |
| -1 | 673,645,009 |
If you did it right, you will end up with this table:
| 1 | 17 | 43 | 461 | 731 | 1,999 | 7,837 | 19,823 | 33,983 | 85,957 | 336,991 | 921,539 | 1,461,269 | 15,666,163 | 39,626,177 | 673,645,009 |
| -1 | -17 | -43 | -461 | -731 | -1,999 | -7,837 | -19,823 | -33,983 | -85,957 | -336,991 | -921,539 | -1,461,269 | -15,666,163 | -39,626,177 | -673,645,009 |
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