A:
Positive:
1 x 24734717 x 35335311 x 22486113 x 19026749 x 5047977 x 3212391 x 27181143 x 17297353 x 7007539 x 4589637 x 38831001 x 2471
Negative:
-1 x -2473471-7 x -353353-11 x -224861-13 x -190267-49 x -50479-77 x -32123-91 x -27181-143 x -17297-353 x -7007-539 x -4589-637 x -3883-1001 x -2471
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 2,473,471, 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 | 2,473,471 | |
| -1 | -2,473,471 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 2,473,471.
Example:
1 x 2,473,471 = 2,473,471
and
-1 x -2,473,471 = 2,473,471
Notice both answers equal 2,473,471
With that explanation out of the way, let's continue. Next, we take the number 2,473,471 and divide it by 2:
2,473,471 ÷ 2 = 1,236,735.5
If the quotient is a whole number, then 2 and 1,236,735.5 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 | 2,473,471 | |
| -1 | -2,473,471 |
Now, we try dividing 2,473,471 by 3:
2,473,471 ÷ 3 = 824,490.3333
If the quotient is a whole number, then 3 and 824,490.3333 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 | 2,473,471 | |
| -1 | -2,473,471 |
Let's try dividing by 4:
2,473,471 ÷ 4 = 618,367.75
If the quotient is a whole number, then 4 and 618,367.75 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 | 2,473,471 | |
| -1 | 2,473,471 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 13 | 49 | 77 | 91 | 143 | 353 | 539 | 637 | 1,001 | 2,471 | 3,883 | 4,589 | 7,007 | 17,297 | 27,181 | 32,123 | 50,479 | 190,267 | 224,861 | 353,353 | 2,473,471 |
| -1 | -7 | -11 | -13 | -49 | -77 | -91 | -143 | -353 | -539 | -637 | -1,001 | -2,471 | -3,883 | -4,589 | -7,007 | -17,297 | -27,181 | -32,123 | -50,479 | -190,267 | -224,861 | -353,353 | -2,473,471 |
Here are some more numbers to try:
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