A:
Positive:
1 x 769182711 x 69925713 x 59167919 x 404833143 x 53789149 x 51623209 x 36803247 x 31141361 x 213071639 x 46931937 x 39712717 x 2831
Negative:
-1 x -7691827-11 x -699257-13 x -591679-19 x -404833-143 x -53789-149 x -51623-209 x -36803-247 x -31141-361 x -21307-1639 x -4693-1937 x -3971-2717 x -2831
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 7,691,827, 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 | 7,691,827 | |
| -1 | -7,691,827 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 7,691,827.
Example:
1 x 7,691,827 = 7,691,827
and
-1 x -7,691,827 = 7,691,827
Notice both answers equal 7,691,827
With that explanation out of the way, let's continue. Next, we take the number 7,691,827 and divide it by 2:
7,691,827 ÷ 2 = 3,845,913.5
If the quotient is a whole number, then 2 and 3,845,913.5 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 | 7,691,827 | |
| -1 | -7,691,827 |
Now, we try dividing 7,691,827 by 3:
7,691,827 ÷ 3 = 2,563,942.3333
If the quotient is a whole number, then 3 and 2,563,942.3333 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 | 7,691,827 | |
| -1 | -7,691,827 |
Let's try dividing by 4:
7,691,827 ÷ 4 = 1,922,956.75
If the quotient is a whole number, then 4 and 1,922,956.75 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 | 7,691,827 | |
| -1 | 7,691,827 |
If you did it right, you will end up with this table:
| 1 | 11 | 13 | 19 | 143 | 149 | 209 | 247 | 361 | 1,639 | 1,937 | 2,717 | 2,831 | 3,971 | 4,693 | 21,307 | 31,141 | 36,803 | 51,623 | 53,789 | 404,833 | 591,679 | 699,257 | 7,691,827 |
| -1 | -11 | -13 | -19 | -143 | -149 | -209 | -247 | -361 | -1,639 | -1,937 | -2,717 | -2,831 | -3,971 | -4,693 | -21,307 | -31,141 | -36,803 | -51,623 | -53,789 | -404,833 | -591,679 | -699,257 | -7,691,827 |
Here are some more numbers to try:
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