A:
Positive:
1 x 19016755 x 38033525 x 7606729 x 6557543 x 4422561 x 31175145 x 13115215 x 8845305 x 6235725 x 26231075 x 17691247 x 1525
Negative:
-1 x -1901675-5 x -380335-25 x -76067-29 x -65575-43 x -44225-61 x -31175-145 x -13115-215 x -8845-305 x -6235-725 x -2623-1075 x -1769-1247 x -1525
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 1,901,675, 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 | 1,901,675 | |
| -1 | -1,901,675 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 1,901,675.
Example:
1 x 1,901,675 = 1,901,675
and
-1 x -1,901,675 = 1,901,675
Notice both answers equal 1,901,675
With that explanation out of the way, let's continue. Next, we take the number 1,901,675 and divide it by 2:
1,901,675 ÷ 2 = 950,837.5
If the quotient is a whole number, then 2 and 950,837.5 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 | 1,901,675 | |
| -1 | -1,901,675 |
Now, we try dividing 1,901,675 by 3:
1,901,675 ÷ 3 = 633,891.6667
If the quotient is a whole number, then 3 and 633,891.6667 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 | 1,901,675 | |
| -1 | -1,901,675 |
Let's try dividing by 4:
1,901,675 ÷ 4 = 475,418.75
If the quotient is a whole number, then 4 and 475,418.75 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 | 1,901,675 | |
| -1 | 1,901,675 |
If you did it right, you will end up with this table:
| 1 | 5 | 25 | 29 | 43 | 61 | 145 | 215 | 305 | 725 | 1,075 | 1,247 | 1,525 | 1,769 | 2,623 | 6,235 | 8,845 | 13,115 | 31,175 | 44,225 | 65,575 | 76,067 | 380,335 | 1,901,675 |
| -1 | -5 | -25 | -29 | -43 | -61 | -145 | -215 | -305 | -725 | -1,075 | -1,247 | -1,525 | -1,769 | -2,623 | -6,235 | -8,845 | -13,115 | -31,175 | -44,225 | -65,575 | -76,067 | -380,335 | -1,901,675 |
Here are some more numbers to try:
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