A:
Positive:
1 x 20342002319 x 1070631759 x 344779779 x 25749371121 x 1814631501 x 1355232297 x 885594661 x 43643
Negative:
-1 x -203420023-19 x -10706317-59 x -3447797-79 x -2574937-1121 x -181463-1501 x -135523-2297 x -88559-4661 x -43643
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 203,420,023, 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 | 203,420,023 | |
| -1 | -203,420,023 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 203,420,023.
Example:
1 x 203,420,023 = 203,420,023
and
-1 x -203,420,023 = 203,420,023
Notice both answers equal 203,420,023
With that explanation out of the way, let's continue. Next, we take the number 203,420,023 and divide it by 2:
203,420,023 ÷ 2 = 101,710,011.5
If the quotient is a whole number, then 2 and 101,710,011.5 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 | 203,420,023 | |
| -1 | -203,420,023 |
Now, we try dividing 203,420,023 by 3:
203,420,023 ÷ 3 = 67,806,674.3333
If the quotient is a whole number, then 3 and 67,806,674.3333 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 | 203,420,023 | |
| -1 | -203,420,023 |
Let's try dividing by 4:
203,420,023 ÷ 4 = 50,855,005.75
If the quotient is a whole number, then 4 and 50,855,005.75 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 | 203,420,023 | |
| -1 | 203,420,023 |
If you did it right, you will end up with this table:
| 1 | 19 | 59 | 79 | 1,121 | 1,501 | 2,297 | 4,661 | 43,643 | 88,559 | 135,523 | 181,463 | 2,574,937 | 3,447,797 | 10,706,317 | 203,420,023 |
| -1 | -19 | -59 | -79 | -1,121 | -1,501 | -2,297 | -4,661 | -43,643 | -88,559 | -135,523 | -181,463 | -2,574,937 | -3,447,797 | -10,706,317 | -203,420,023 |
Here are some more numbers to try:
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