A:
Positive:
1 x 689419437 x 984884943 x 1603301227 x 303709301 x 2290431009 x 683271589 x 433877063 x 9761
Negative:
-1 x -68941943-7 x -9848849-43 x -1603301-227 x -303709-301 x -229043-1009 x -68327-1589 x -43387-7063 x -9761
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 68,941,943, 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 | 68,941,943 | |
| -1 | -68,941,943 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 68,941,943.
Example:
1 x 68,941,943 = 68,941,943
and
-1 x -68,941,943 = 68,941,943
Notice both answers equal 68,941,943
With that explanation out of the way, let's continue. Next, we take the number 68,941,943 and divide it by 2:
68,941,943 ÷ 2 = 34,470,971.5
If the quotient is a whole number, then 2 and 34,470,971.5 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 | 68,941,943 | |
| -1 | -68,941,943 |
Now, we try dividing 68,941,943 by 3:
68,941,943 ÷ 3 = 22,980,647.6667
If the quotient is a whole number, then 3 and 22,980,647.6667 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 | 68,941,943 | |
| -1 | -68,941,943 |
Let's try dividing by 4:
68,941,943 ÷ 4 = 17,235,485.75
If the quotient is a whole number, then 4 and 17,235,485.75 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 | 68,941,943 | |
| -1 | 68,941,943 |
If you did it right, you will end up with this table:
| 1 | 7 | 43 | 227 | 301 | 1,009 | 1,589 | 7,063 | 9,761 | 43,387 | 68,327 | 229,043 | 303,709 | 1,603,301 | 9,848,849 | 68,941,943 |
| -1 | -7 | -43 | -227 | -301 | -1,009 | -1,589 | -7,063 | -9,761 | -43,387 | -68,327 | -229,043 | -303,709 | -1,603,301 | -9,848,849 | -68,941,943 |
Here are some more numbers to try:
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