A:
Positive:
1 x 6740732911 x 612793917 x 396513771 x 949399187 x 360467781 x 863091207 x 558475077 x 13277
Negative:
-1 x -67407329-11 x -6127939-17 x -3965137-71 x -949399-187 x -360467-781 x -86309-1207 x -55847-5077 x -13277
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 67,407,329, 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 | 67,407,329 | |
| -1 | -67,407,329 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 67,407,329.
Example:
1 x 67,407,329 = 67,407,329
and
-1 x -67,407,329 = 67,407,329
Notice both answers equal 67,407,329
With that explanation out of the way, let's continue. Next, we take the number 67,407,329 and divide it by 2:
67,407,329 ÷ 2 = 33,703,664.5
If the quotient is a whole number, then 2 and 33,703,664.5 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 | 67,407,329 | |
| -1 | -67,407,329 |
Now, we try dividing 67,407,329 by 3:
67,407,329 ÷ 3 = 22,469,109.6667
If the quotient is a whole number, then 3 and 22,469,109.6667 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 | 67,407,329 | |
| -1 | -67,407,329 |
Let's try dividing by 4:
67,407,329 ÷ 4 = 16,851,832.25
If the quotient is a whole number, then 4 and 16,851,832.25 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 | 67,407,329 | |
| -1 | 67,407,329 |
If you did it right, you will end up with this table:
| 1 | 11 | 17 | 71 | 187 | 781 | 1,207 | 5,077 | 13,277 | 55,847 | 86,309 | 360,467 | 949,399 | 3,965,137 | 6,127,939 | 67,407,329 |
| -1 | -11 | -17 | -71 | -187 | -781 | -1,207 | -5,077 | -13,277 | -55,847 | -86,309 | -360,467 | -949,399 | -3,965,137 | -6,127,939 | -67,407,329 |
Here are some more numbers to try:
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