A:
Positive:
1 x 26231597 x 37473711 x 23846919 x 13806177 x 34067121 x 21679133 x 19723163 x 16093209 x 12551847 x 30971141 x 22991463 x 1793
Negative:
-1 x -2623159-7 x -374737-11 x -238469-19 x -138061-77 x -34067-121 x -21679-133 x -19723-163 x -16093-209 x -12551-847 x -3097-1141 x -2299-1463 x -1793
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 2,623,159, 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 | 2,623,159 | |
| -1 | -2,623,159 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 2,623,159.
Example:
1 x 2,623,159 = 2,623,159
and
-1 x -2,623,159 = 2,623,159
Notice both answers equal 2,623,159
With that explanation out of the way, let's continue. Next, we take the number 2,623,159 and divide it by 2:
2,623,159 ÷ 2 = 1,311,579.5
If the quotient is a whole number, then 2 and 1,311,579.5 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 | 2,623,159 | |
| -1 | -2,623,159 |
Now, we try dividing 2,623,159 by 3:
2,623,159 ÷ 3 = 874,386.3333
If the quotient is a whole number, then 3 and 874,386.3333 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 | 2,623,159 | |
| -1 | -2,623,159 |
Let's try dividing by 4:
2,623,159 ÷ 4 = 655,789.75
If the quotient is a whole number, then 4 and 655,789.75 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 | 2,623,159 | |
| -1 | 2,623,159 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 19 | 77 | 121 | 133 | 163 | 209 | 847 | 1,141 | 1,463 | 1,793 | 2,299 | 3,097 | 12,551 | 16,093 | 19,723 | 21,679 | 34,067 | 138,061 | 238,469 | 374,737 | 2,623,159 |
| -1 | -7 | -11 | -19 | -77 | -121 | -133 | -163 | -209 | -847 | -1,141 | -1,463 | -1,793 | -2,299 | -3,097 | -12,551 | -16,093 | -19,723 | -21,679 | -34,067 | -138,061 | -238,469 | -374,737 | -2,623,159 |
Here are some more numbers to try:
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