A:
Positive:
1 x 200356737 x 286223917 x 1178569101 x 198373119 x 168367707 x 283391667 x 120191717 x 11669
Negative:
-1 x -20035673-7 x -2862239-17 x -1178569-101 x -198373-119 x -168367-707 x -28339-1667 x -12019-1717 x -11669
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 20,035,673, 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 | 20,035,673 | |
| -1 | -20,035,673 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 20,035,673.
Example:
1 x 20,035,673 = 20,035,673
and
-1 x -20,035,673 = 20,035,673
Notice both answers equal 20,035,673
With that explanation out of the way, let's continue. Next, we take the number 20,035,673 and divide it by 2:
20,035,673 ÷ 2 = 10,017,836.5
If the quotient is a whole number, then 2 and 10,017,836.5 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 | 20,035,673 | |
| -1 | -20,035,673 |
Now, we try dividing 20,035,673 by 3:
20,035,673 ÷ 3 = 6,678,557.6667
If the quotient is a whole number, then 3 and 6,678,557.6667 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 | 20,035,673 | |
| -1 | -20,035,673 |
Let's try dividing by 4:
20,035,673 ÷ 4 = 5,008,918.25
If the quotient is a whole number, then 4 and 5,008,918.25 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 | 20,035,673 | |
| -1 | 20,035,673 |
If you did it right, you will end up with this table:
| 1 | 7 | 17 | 101 | 119 | 707 | 1,667 | 1,717 | 11,669 | 12,019 | 28,339 | 168,367 | 198,373 | 1,178,569 | 2,862,239 | 20,035,673 |
| -1 | -7 | -17 | -101 | -119 | -707 | -1,667 | -1,717 | -11,669 | -12,019 | -28,339 | -168,367 | -198,373 | -1,178,569 | -2,862,239 | -20,035,673 |
Here are some more numbers to try:
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