A:
Positive:
1 x 794867931 x 25640943 x 18485367 x 11863789 x 893111333 x 59632077 x 38272759 x 2881
Negative:
-1 x -7948679-31 x -256409-43 x -184853-67 x -118637-89 x -89311-1333 x -5963-2077 x -3827-2759 x -2881
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 7,948,679, 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 | 7,948,679 | |
| -1 | -7,948,679 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 7,948,679.
Example:
1 x 7,948,679 = 7,948,679
and
-1 x -7,948,679 = 7,948,679
Notice both answers equal 7,948,679
With that explanation out of the way, let's continue. Next, we take the number 7,948,679 and divide it by 2:
7,948,679 ÷ 2 = 3,974,339.5
If the quotient is a whole number, then 2 and 3,974,339.5 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 | 7,948,679 | |
| -1 | -7,948,679 |
Now, we try dividing 7,948,679 by 3:
7,948,679 ÷ 3 = 2,649,559.6667
If the quotient is a whole number, then 3 and 2,649,559.6667 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 | 7,948,679 | |
| -1 | -7,948,679 |
Let's try dividing by 4:
7,948,679 ÷ 4 = 1,987,169.75
If the quotient is a whole number, then 4 and 1,987,169.75 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 | 7,948,679 | |
| -1 | 7,948,679 |
If you did it right, you will end up with this table:
| 1 | 31 | 43 | 67 | 89 | 1,333 | 2,077 | 2,759 | 2,881 | 3,827 | 5,963 | 89,311 | 118,637 | 184,853 | 256,409 | 7,948,679 |
| -1 | -31 | -43 | -67 | -89 | -1,333 | -2,077 | -2,759 | -2,881 | -3,827 | -5,963 | -89,311 | -118,637 | -184,853 | -256,409 | -7,948,679 |
Here are some more numbers to try:
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