A:
Positive:
1 x 10986717 x 15695331 x 3544161 x 1801183 x 13237217 x 5063427 x 2573581 x 1891
Negative:
-1 x -1098671-7 x -156953-31 x -35441-61 x -18011-83 x -13237-217 x -5063-427 x -2573-581 x -1891
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 1,098,671, 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 | 1,098,671 | |
| -1 | -1,098,671 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 1,098,671.
Example:
1 x 1,098,671 = 1,098,671
and
-1 x -1,098,671 = 1,098,671
Notice both answers equal 1,098,671
With that explanation out of the way, let's continue. Next, we take the number 1,098,671 and divide it by 2:
1,098,671 ÷ 2 = 549,335.5
If the quotient is a whole number, then 2 and 549,335.5 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 | 1,098,671 | |
| -1 | -1,098,671 |
Now, we try dividing 1,098,671 by 3:
1,098,671 ÷ 3 = 366,223.6667
If the quotient is a whole number, then 3 and 366,223.6667 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 | 1,098,671 | |
| -1 | -1,098,671 |
Let's try dividing by 4:
1,098,671 ÷ 4 = 274,667.75
If the quotient is a whole number, then 4 and 274,667.75 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 | 1,098,671 | |
| -1 | 1,098,671 |
If you did it right, you will end up with this table:
| 1 | 7 | 31 | 61 | 83 | 217 | 427 | 581 | 1,891 | 2,573 | 5,063 | 13,237 | 18,011 | 35,441 | 156,953 | 1,098,671 |
| -1 | -7 | -31 | -61 | -83 | -217 | -427 | -581 | -1,891 | -2,573 | -5,063 | -13,237 | -18,011 | -35,441 | -156,953 | -1,098,671 |
Here are some more numbers to try:
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