A:
Positive:
1 x 425423055 x 850846113 x 327248553 x 80268565 x 654497233 x 182585265 x 160537689 x 617451165 x 365172809 x 151453029 x 140453445 x 12349
Negative:
-1 x -42542305-5 x -8508461-13 x -3272485-53 x -802685-65 x -654497-233 x -182585-265 x -160537-689 x -61745-1165 x -36517-2809 x -15145-3029 x -14045-3445 x -12349
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 42,542,305, 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 | 42,542,305 | |
| -1 | -42,542,305 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 42,542,305.
Example:
1 x 42,542,305 = 42,542,305
and
-1 x -42,542,305 = 42,542,305
Notice both answers equal 42,542,305
With that explanation out of the way, let's continue. Next, we take the number 42,542,305 and divide it by 2:
42,542,305 ÷ 2 = 21,271,152.5
If the quotient is a whole number, then 2 and 21,271,152.5 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 | 42,542,305 | |
| -1 | -42,542,305 |
Now, we try dividing 42,542,305 by 3:
42,542,305 ÷ 3 = 14,180,768.3333
If the quotient is a whole number, then 3 and 14,180,768.3333 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 | 42,542,305 | |
| -1 | -42,542,305 |
Let's try dividing by 4:
42,542,305 ÷ 4 = 10,635,576.25
If the quotient is a whole number, then 4 and 10,635,576.25 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 | 42,542,305 | |
| -1 | 42,542,305 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 53 | 65 | 233 | 265 | 689 | 1,165 | 2,809 | 3,029 | 3,445 | 12,349 | 14,045 | 15,145 | 36,517 | 61,745 | 160,537 | 182,585 | 654,497 | 802,685 | 3,272,485 | 8,508,461 | 42,542,305 |
| -1 | -5 | -13 | -53 | -65 | -233 | -265 | -689 | -1,165 | -2,809 | -3,029 | -3,445 | -12,349 | -14,045 | -15,145 | -36,517 | -61,745 | -160,537 | -182,585 | -654,497 | -802,685 | -3,272,485 | -8,508,461 | -42,542,305 |
Here are some more numbers to try:
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