A:
Positive:
1 x 685853755 x 1371707525 x 2743415125 x 548683373 x 1838751471 x 466251865 x 367757355 x 9325
Negative:
-1 x -68585375-5 x -13717075-25 x -2743415-125 x -548683-373 x -183875-1471 x -46625-1865 x -36775-7355 x -9325
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 68,585,375, 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 | 68,585,375 | |
| -1 | -68,585,375 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 68,585,375.
Example:
1 x 68,585,375 = 68,585,375
and
-1 x -68,585,375 = 68,585,375
Notice both answers equal 68,585,375
With that explanation out of the way, let's continue. Next, we take the number 68,585,375 and divide it by 2:
68,585,375 ÷ 2 = 34,292,687.5
If the quotient is a whole number, then 2 and 34,292,687.5 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 | 68,585,375 | |
| -1 | -68,585,375 |
Now, we try dividing 68,585,375 by 3:
68,585,375 ÷ 3 = 22,861,791.6667
If the quotient is a whole number, then 3 and 22,861,791.6667 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 | 68,585,375 | |
| -1 | -68,585,375 |
Let's try dividing by 4:
68,585,375 ÷ 4 = 17,146,343.75
If the quotient is a whole number, then 4 and 17,146,343.75 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 | 68,585,375 | |
| -1 | 68,585,375 |
If you did it right, you will end up with this table:
| 1 | 5 | 25 | 125 | 373 | 1,471 | 1,865 | 7,355 | 9,325 | 36,775 | 46,625 | 183,875 | 548,683 | 2,743,415 | 13,717,075 | 68,585,375 |
| -1 | -5 | -25 | -125 | -373 | -1,471 | -1,865 | -7,355 | -9,325 | -36,775 | -46,625 | -183,875 | -548,683 | -2,743,415 | -13,717,075 | -68,585,375 |
Here are some more numbers to try:
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