A:
Positive:
1 x 1902217319 x 100116723 x 82705129 x 65593779 x 240787361 x 52693437 x 43529551 x 34523667 x 285191501 x 126731817 x 104692291 x 8303
Negative:
-1 x -19022173-19 x -1001167-23 x -827051-29 x -655937-79 x -240787-361 x -52693-437 x -43529-551 x -34523-667 x -28519-1501 x -12673-1817 x -10469-2291 x -8303
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 19,022,173, 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 | 19,022,173 | |
| -1 | -19,022,173 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 19,022,173.
Example:
1 x 19,022,173 = 19,022,173
and
-1 x -19,022,173 = 19,022,173
Notice both answers equal 19,022,173
With that explanation out of the way, let's continue. Next, we take the number 19,022,173 and divide it by 2:
19,022,173 ÷ 2 = 9,511,086.5
If the quotient is a whole number, then 2 and 9,511,086.5 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 | 19,022,173 | |
| -1 | -19,022,173 |
Now, we try dividing 19,022,173 by 3:
19,022,173 ÷ 3 = 6,340,724.3333
If the quotient is a whole number, then 3 and 6,340,724.3333 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 | 19,022,173 | |
| -1 | -19,022,173 |
Let's try dividing by 4:
19,022,173 ÷ 4 = 4,755,543.25
If the quotient is a whole number, then 4 and 4,755,543.25 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 | 19,022,173 | |
| -1 | 19,022,173 |
If you did it right, you will end up with this table:
| 1 | 19 | 23 | 29 | 79 | 361 | 437 | 551 | 667 | 1,501 | 1,817 | 2,291 | 8,303 | 10,469 | 12,673 | 28,519 | 34,523 | 43,529 | 52,693 | 240,787 | 655,937 | 827,051 | 1,001,167 | 19,022,173 |
| -1 | -19 | -23 | -29 | -79 | -361 | -437 | -551 | -667 | -1,501 | -1,817 | -2,291 | -8,303 | -10,469 | -12,673 | -28,519 | -34,523 | -43,529 | -52,693 | -240,787 | -655,937 | -827,051 | -1,001,167 | -19,022,173 |
Here are some more numbers to try:
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