A:
Positive:
1 x 7466472355 x 14932944737 x 20179655185 x 40359311033 x 7227953907 x 1911055165 x 14455919535 x 38221
Negative:
-1 x -746647235-5 x -149329447-37 x -20179655-185 x -4035931-1033 x -722795-3907 x -191105-5165 x -144559-19535 x -38221
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 746,647,235, 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 | 746,647,235 | |
| -1 | -746,647,235 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 746,647,235.
Example:
1 x 746,647,235 = 746,647,235
and
-1 x -746,647,235 = 746,647,235
Notice both answers equal 746,647,235
With that explanation out of the way, let's continue. Next, we take the number 746,647,235 and divide it by 2:
746,647,235 ÷ 2 = 373,323,617.5
If the quotient is a whole number, then 2 and 373,323,617.5 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 | 746,647,235 | |
| -1 | -746,647,235 |
Now, we try dividing 746,647,235 by 3:
746,647,235 ÷ 3 = 248,882,411.6667
If the quotient is a whole number, then 3 and 248,882,411.6667 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 | 746,647,235 | |
| -1 | -746,647,235 |
Let's try dividing by 4:
746,647,235 ÷ 4 = 186,661,808.75
If the quotient is a whole number, then 4 and 186,661,808.75 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 | 746,647,235 | |
| -1 | 746,647,235 |
If you did it right, you will end up with this table:
| 1 | 5 | 37 | 185 | 1,033 | 3,907 | 5,165 | 19,535 | 38,221 | 144,559 | 191,105 | 722,795 | 4,035,931 | 20,179,655 | 149,329,447 | 746,647,235 |
| -1 | -5 | -37 | -185 | -1,033 | -3,907 | -5,165 | -19,535 | -38,221 | -144,559 | -191,105 | -722,795 | -4,035,931 | -20,179,655 | -149,329,447 | -746,647,235 |
Here are some more numbers to try:
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