A:
Positive:
1 x 3263375655 x 65267513101 x 3231065149 x 2190185505 x 646213745 x 4380374337 x 7524515049 x 21685
Negative:
-1 x -326337565-5 x -65267513-101 x -3231065-149 x -2190185-505 x -646213-745 x -438037-4337 x -75245-15049 x -21685
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 326,337,565, 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 | 326,337,565 | |
| -1 | -326,337,565 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 326,337,565.
Example:
1 x 326,337,565 = 326,337,565
and
-1 x -326,337,565 = 326,337,565
Notice both answers equal 326,337,565
With that explanation out of the way, let's continue. Next, we take the number 326,337,565 and divide it by 2:
326,337,565 ÷ 2 = 163,168,782.5
If the quotient is a whole number, then 2 and 163,168,782.5 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 | 326,337,565 | |
| -1 | -326,337,565 |
Now, we try dividing 326,337,565 by 3:
326,337,565 ÷ 3 = 108,779,188.3333
If the quotient is a whole number, then 3 and 108,779,188.3333 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 | 326,337,565 | |
| -1 | -326,337,565 |
Let's try dividing by 4:
326,337,565 ÷ 4 = 81,584,391.25
If the quotient is a whole number, then 4 and 81,584,391.25 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 | 326,337,565 | |
| -1 | 326,337,565 |
If you did it right, you will end up with this table:
| 1 | 5 | 101 | 149 | 505 | 745 | 4,337 | 15,049 | 21,685 | 75,245 | 438,037 | 646,213 | 2,190,185 | 3,231,065 | 65,267,513 | 326,337,565 |
| -1 | -5 | -101 | -149 | -505 | -745 | -4,337 | -15,049 | -21,685 | -75,245 | -438,037 | -646,213 | -2,190,185 | -3,231,065 | -65,267,513 | -326,337,565 |
Here are some more numbers to try:
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