A:
Positive:
1 x 7711704355 x 1542340877 x 11016720535 x 2203344141 x 18809035205 x 3761807287 x 26870051435 x 537401
Negative:
-1 x -771170435-5 x -154234087-7 x -110167205-35 x -22033441-41 x -18809035-205 x -3761807-287 x -2687005-1435 x -537401
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 771,170,435, 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 | 771,170,435 | |
| -1 | -771,170,435 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 771,170,435.
Example:
1 x 771,170,435 = 771,170,435
and
-1 x -771,170,435 = 771,170,435
Notice both answers equal 771,170,435
With that explanation out of the way, let's continue. Next, we take the number 771,170,435 and divide it by 2:
771,170,435 ÷ 2 = 385,585,217.5
If the quotient is a whole number, then 2 and 385,585,217.5 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 | 771,170,435 | |
| -1 | -771,170,435 |
Now, we try dividing 771,170,435 by 3:
771,170,435 ÷ 3 = 257,056,811.6667
If the quotient is a whole number, then 3 and 257,056,811.6667 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 | 771,170,435 | |
| -1 | -771,170,435 |
Let's try dividing by 4:
771,170,435 ÷ 4 = 192,792,608.75
If the quotient is a whole number, then 4 and 192,792,608.75 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 | 771,170,435 | |
| -1 | 771,170,435 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 41 | 205 | 287 | 1,435 | 537,401 | 2,687,005 | 3,761,807 | 18,809,035 | 22,033,441 | 110,167,205 | 154,234,087 | 771,170,435 |
| -1 | -5 | -7 | -35 | -41 | -205 | -287 | -1,435 | -537,401 | -2,687,005 | -3,761,807 | -18,809,035 | -22,033,441 | -110,167,205 | -154,234,087 | -771,170,435 |
Here are some more numbers to try:
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