A:
Positive:
1 x 4230213355 x 8460426711 x 3845648555 x 7691297607 x 6969053035 x 1393816677 x 6335512671 x 33385
Negative:
-1 x -423021335-5 x -84604267-11 x -38456485-55 x -7691297-607 x -696905-3035 x -139381-6677 x -63355-12671 x -33385
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 423,021,335, 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 | 423,021,335 | |
| -1 | -423,021,335 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 423,021,335.
Example:
1 x 423,021,335 = 423,021,335
and
-1 x -423,021,335 = 423,021,335
Notice both answers equal 423,021,335
With that explanation out of the way, let's continue. Next, we take the number 423,021,335 and divide it by 2:
423,021,335 ÷ 2 = 211,510,667.5
If the quotient is a whole number, then 2 and 211,510,667.5 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 | 423,021,335 | |
| -1 | -423,021,335 |
Now, we try dividing 423,021,335 by 3:
423,021,335 ÷ 3 = 141,007,111.6667
If the quotient is a whole number, then 3 and 141,007,111.6667 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 | 423,021,335 | |
| -1 | -423,021,335 |
Let's try dividing by 4:
423,021,335 ÷ 4 = 105,755,333.75
If the quotient is a whole number, then 4 and 105,755,333.75 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 | 423,021,335 | |
| -1 | 423,021,335 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 55 | 607 | 3,035 | 6,677 | 12,671 | 33,385 | 63,355 | 139,381 | 696,905 | 7,691,297 | 38,456,485 | 84,604,267 | 423,021,335 |
| -1 | -5 | -11 | -55 | -607 | -3,035 | -6,677 | -12,671 | -33,385 | -63,355 | -139,381 | -696,905 | -7,691,297 | -38,456,485 | -84,604,267 | -423,021,335 |
Here are some more numbers to try:
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