A:
Positive:
1 x 29083066319 x 1530687753 x 5487371337 x 862999857 x 3393591007 x 2888096403 x 4542116283 x 17861
Negative:
-1 x -290830663-19 x -15306877-53 x -5487371-337 x -862999-857 x -339359-1007 x -288809-6403 x -45421-16283 x -17861
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 290,830,663, 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 | 290,830,663 | |
| -1 | -290,830,663 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 290,830,663.
Example:
1 x 290,830,663 = 290,830,663
and
-1 x -290,830,663 = 290,830,663
Notice both answers equal 290,830,663
With that explanation out of the way, let's continue. Next, we take the number 290,830,663 and divide it by 2:
290,830,663 ÷ 2 = 145,415,331.5
If the quotient is a whole number, then 2 and 145,415,331.5 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 | 290,830,663 | |
| -1 | -290,830,663 |
Now, we try dividing 290,830,663 by 3:
290,830,663 ÷ 3 = 96,943,554.3333
If the quotient is a whole number, then 3 and 96,943,554.3333 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 | 290,830,663 | |
| -1 | -290,830,663 |
Let's try dividing by 4:
290,830,663 ÷ 4 = 72,707,665.75
If the quotient is a whole number, then 4 and 72,707,665.75 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 | 290,830,663 | |
| -1 | 290,830,663 |
If you did it right, you will end up with this table:
| 1 | 19 | 53 | 337 | 857 | 1,007 | 6,403 | 16,283 | 17,861 | 45,421 | 288,809 | 339,359 | 862,999 | 5,487,371 | 15,306,877 | 290,830,663 |
| -1 | -19 | -53 | -337 | -857 | -1,007 | -6,403 | -16,283 | -17,861 | -45,421 | -288,809 | -339,359 | -862,999 | -5,487,371 | -15,306,877 | -290,830,663 |
Here are some more numbers to try:
Try the factor calculator