A:
Positive:
1 x 673135455 x 1346270913 x 517796537 x 181928565 x 1035593169 x 398305185 x 363857481 x 139945845 x 796612153 x 312652405 x 279896253 x 10765
Negative:
-1 x -67313545-5 x -13462709-13 x -5177965-37 x -1819285-65 x -1035593-169 x -398305-185 x -363857-481 x -139945-845 x -79661-2153 x -31265-2405 x -27989-6253 x -10765
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 67,313,545, 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 | 67,313,545 | |
| -1 | -67,313,545 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 67,313,545.
Example:
1 x 67,313,545 = 67,313,545
and
-1 x -67,313,545 = 67,313,545
Notice both answers equal 67,313,545
With that explanation out of the way, let's continue. Next, we take the number 67,313,545 and divide it by 2:
67,313,545 ÷ 2 = 33,656,772.5
If the quotient is a whole number, then 2 and 33,656,772.5 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 | 67,313,545 | |
| -1 | -67,313,545 |
Now, we try dividing 67,313,545 by 3:
67,313,545 ÷ 3 = 22,437,848.3333
If the quotient is a whole number, then 3 and 22,437,848.3333 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 | 67,313,545 | |
| -1 | -67,313,545 |
Let's try dividing by 4:
67,313,545 ÷ 4 = 16,828,386.25
If the quotient is a whole number, then 4 and 16,828,386.25 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 | 67,313,545 | |
| -1 | 67,313,545 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 37 | 65 | 169 | 185 | 481 | 845 | 2,153 | 2,405 | 6,253 | 10,765 | 27,989 | 31,265 | 79,661 | 139,945 | 363,857 | 398,305 | 1,035,593 | 1,819,285 | 5,177,965 | 13,462,709 | 67,313,545 |
| -1 | -5 | -13 | -37 | -65 | -169 | -185 | -481 | -845 | -2,153 | -2,405 | -6,253 | -10,765 | -27,989 | -31,265 | -79,661 | -139,945 | -363,857 | -398,305 | -1,035,593 | -1,819,285 | -5,177,965 | -13,462,709 | -67,313,545 |
Here are some more numbers to try:
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