A:
Positive:
1 x 688434255 x 137686857 x 983477525 x 275373735 x 1966955175 x 393391227 x 3032751135 x 606551589 x 433251733 x 397255675 x 121317945 x 8665
Negative:
-1 x -68843425-5 x -13768685-7 x -9834775-25 x -2753737-35 x -1966955-175 x -393391-227 x -303275-1135 x -60655-1589 x -43325-1733 x -39725-5675 x -12131-7945 x -8665
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 68,843,425, 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 | 68,843,425 | |
| -1 | -68,843,425 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 68,843,425.
Example:
1 x 68,843,425 = 68,843,425
and
-1 x -68,843,425 = 68,843,425
Notice both answers equal 68,843,425
With that explanation out of the way, let's continue. Next, we take the number 68,843,425 and divide it by 2:
68,843,425 ÷ 2 = 34,421,712.5
If the quotient is a whole number, then 2 and 34,421,712.5 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 | 68,843,425 | |
| -1 | -68,843,425 |
Now, we try dividing 68,843,425 by 3:
68,843,425 ÷ 3 = 22,947,808.3333
If the quotient is a whole number, then 3 and 22,947,808.3333 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 | 68,843,425 | |
| -1 | -68,843,425 |
Let's try dividing by 4:
68,843,425 ÷ 4 = 17,210,856.25
If the quotient is a whole number, then 4 and 17,210,856.25 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 | 68,843,425 | |
| -1 | 68,843,425 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 25 | 35 | 175 | 227 | 1,135 | 1,589 | 1,733 | 5,675 | 7,945 | 8,665 | 12,131 | 39,725 | 43,325 | 60,655 | 303,275 | 393,391 | 1,966,955 | 2,753,737 | 9,834,775 | 13,768,685 | 68,843,425 |
| -1 | -5 | -7 | -25 | -35 | -175 | -227 | -1,135 | -1,589 | -1,733 | -5,675 | -7,945 | -8,665 | -12,131 | -39,725 | -43,325 | -60,655 | -303,275 | -393,391 | -1,966,955 | -2,753,737 | -9,834,775 | -13,768,685 | -68,843,425 |
Here are some more numbers to try:
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