A:
Positive:
1 x 7800068347 x 165958953 x 1471711173 x 450871181 x 4309432491 x 313138131 x 95938507 x 9169
Negative:
-1 x -78000683-47 x -1659589-53 x -1471711-173 x -450871-181 x -430943-2491 x -31313-8131 x -9593-8507 x -9169
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 78,000,683, 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 | 78,000,683 | |
| -1 | -78,000,683 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 78,000,683.
Example:
1 x 78,000,683 = 78,000,683
and
-1 x -78,000,683 = 78,000,683
Notice both answers equal 78,000,683
With that explanation out of the way, let's continue. Next, we take the number 78,000,683 and divide it by 2:
78,000,683 ÷ 2 = 39,000,341.5
If the quotient is a whole number, then 2 and 39,000,341.5 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 | 78,000,683 | |
| -1 | -78,000,683 |
Now, we try dividing 78,000,683 by 3:
78,000,683 ÷ 3 = 26,000,227.6667
If the quotient is a whole number, then 3 and 26,000,227.6667 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 | 78,000,683 | |
| -1 | -78,000,683 |
Let's try dividing by 4:
78,000,683 ÷ 4 = 19,500,170.75
If the quotient is a whole number, then 4 and 19,500,170.75 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 | 78,000,683 | |
| -1 | 78,000,683 |
If you did it right, you will end up with this table:
| 1 | 47 | 53 | 173 | 181 | 2,491 | 8,131 | 8,507 | 9,169 | 9,593 | 31,313 | 430,943 | 450,871 | 1,471,711 | 1,659,589 | 78,000,683 |
| -1 | -47 | -53 | -173 | -181 | -2,491 | -8,131 | -8,507 | -9,169 | -9,593 | -31,313 | -430,943 | -450,871 | -1,471,711 | -1,659,589 | -78,000,683 |
Here are some more numbers to try:
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