A:
Positive:
1 x 79394755 x 158789525 x 31757929 x 27377547 x 168925145 x 54755233 x 34075235 x 33785725 x 109511165 x 68151175 x 67571363 x 5825
Negative:
-1 x -7939475-5 x -1587895-25 x -317579-29 x -273775-47 x -168925-145 x -54755-233 x -34075-235 x -33785-725 x -10951-1165 x -6815-1175 x -6757-1363 x -5825
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 7,939,475, 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 | 7,939,475 | |
| -1 | -7,939,475 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 7,939,475.
Example:
1 x 7,939,475 = 7,939,475
and
-1 x -7,939,475 = 7,939,475
Notice both answers equal 7,939,475
With that explanation out of the way, let's continue. Next, we take the number 7,939,475 and divide it by 2:
7,939,475 ÷ 2 = 3,969,737.5
If the quotient is a whole number, then 2 and 3,969,737.5 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 | 7,939,475 | |
| -1 | -7,939,475 |
Now, we try dividing 7,939,475 by 3:
7,939,475 ÷ 3 = 2,646,491.6667
If the quotient is a whole number, then 3 and 2,646,491.6667 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 | 7,939,475 | |
| -1 | -7,939,475 |
Let's try dividing by 4:
7,939,475 ÷ 4 = 1,984,868.75
If the quotient is a whole number, then 4 and 1,984,868.75 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 | 7,939,475 | |
| -1 | 7,939,475 |
If you did it right, you will end up with this table:
| 1 | 5 | 25 | 29 | 47 | 145 | 233 | 235 | 725 | 1,165 | 1,175 | 1,363 | 5,825 | 6,757 | 6,815 | 10,951 | 33,785 | 34,075 | 54,755 | 168,925 | 273,775 | 317,579 | 1,587,895 | 7,939,475 |
| -1 | -5 | -25 | -29 | -47 | -145 | -233 | -235 | -725 | -1,165 | -1,175 | -1,363 | -5,825 | -6,757 | -6,815 | -10,951 | -33,785 | -34,075 | -54,755 | -168,925 | -273,775 | -317,579 | -1,587,895 | -7,939,475 |
Here are some more numbers to try:
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