A:
Positive:
1 x 77697655 x 155395317 x 45704519 x 40893585 x 9140995 x 81787283 x 27455289 x 26885323 x 240551415 x 54911445 x 53771615 x 4811
Negative:
-1 x -7769765-5 x -1553953-17 x -457045-19 x -408935-85 x -91409-95 x -81787-283 x -27455-289 x -26885-323 x -24055-1415 x -5491-1445 x -5377-1615 x -4811
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 7,769,765, 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 | 7,769,765 | |
| -1 | -7,769,765 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 7,769,765.
Example:
1 x 7,769,765 = 7,769,765
and
-1 x -7,769,765 = 7,769,765
Notice both answers equal 7,769,765
With that explanation out of the way, let's continue. Next, we take the number 7,769,765 and divide it by 2:
7,769,765 ÷ 2 = 3,884,882.5
If the quotient is a whole number, then 2 and 3,884,882.5 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 | 7,769,765 | |
| -1 | -7,769,765 |
Now, we try dividing 7,769,765 by 3:
7,769,765 ÷ 3 = 2,589,921.6667
If the quotient is a whole number, then 3 and 2,589,921.6667 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 | 7,769,765 | |
| -1 | -7,769,765 |
Let's try dividing by 4:
7,769,765 ÷ 4 = 1,942,441.25
If the quotient is a whole number, then 4 and 1,942,441.25 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 | 7,769,765 | |
| -1 | 7,769,765 |
If you did it right, you will end up with this table:
| 1 | 5 | 17 | 19 | 85 | 95 | 283 | 289 | 323 | 1,415 | 1,445 | 1,615 | 4,811 | 5,377 | 5,491 | 24,055 | 26,885 | 27,455 | 81,787 | 91,409 | 408,935 | 457,045 | 1,553,953 | 7,769,765 |
| -1 | -5 | -17 | -19 | -85 | -95 | -283 | -289 | -323 | -1,415 | -1,445 | -1,615 | -4,811 | -5,377 | -5,491 | -24,055 | -26,885 | -27,455 | -81,787 | -91,409 | -408,935 | -457,045 | -1,553,953 | -7,769,765 |
Here are some more numbers to try:
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