A:
Positive:
1 x 7606654155 x 15213308341 x 18552815205 x 37105631607 x 4733452309 x 3294358035 x 9466911545 x 65887
Negative:
-1 x -760665415-5 x -152133083-41 x -18552815-205 x -3710563-1607 x -473345-2309 x -329435-8035 x -94669-11545 x -65887
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 760,665,415, 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 | 760,665,415 | |
| -1 | -760,665,415 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 760,665,415.
Example:
1 x 760,665,415 = 760,665,415
and
-1 x -760,665,415 = 760,665,415
Notice both answers equal 760,665,415
With that explanation out of the way, let's continue. Next, we take the number 760,665,415 and divide it by 2:
760,665,415 ÷ 2 = 380,332,707.5
If the quotient is a whole number, then 2 and 380,332,707.5 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 | 760,665,415 | |
| -1 | -760,665,415 |
Now, we try dividing 760,665,415 by 3:
760,665,415 ÷ 3 = 253,555,138.3333
If the quotient is a whole number, then 3 and 253,555,138.3333 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 | 760,665,415 | |
| -1 | -760,665,415 |
Let's try dividing by 4:
760,665,415 ÷ 4 = 190,166,353.75
If the quotient is a whole number, then 4 and 190,166,353.75 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 | 760,665,415 | |
| -1 | 760,665,415 |
If you did it right, you will end up with this table:
| 1 | 5 | 41 | 205 | 1,607 | 2,309 | 8,035 | 11,545 | 65,887 | 94,669 | 329,435 | 473,345 | 3,710,563 | 18,552,815 | 152,133,083 | 760,665,415 |
| -1 | -5 | -41 | -205 | -1,607 | -2,309 | -8,035 | -11,545 | -65,887 | -94,669 | -329,435 | -473,345 | -3,710,563 | -18,552,815 | -152,133,083 | -760,665,415 |
Here are some more numbers to try:
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