A:
Positive:
1 x 675148677 x 964498123 x 2935429157 x 430031161 x 4193471099 x 614332671 x 252773611 x 18697
Negative:
-1 x -67514867-7 x -9644981-23 x -2935429-157 x -430031-161 x -419347-1099 x -61433-2671 x -25277-3611 x -18697
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 67,514,867, 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 | 67,514,867 | |
| -1 | -67,514,867 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 67,514,867.
Example:
1 x 67,514,867 = 67,514,867
and
-1 x -67,514,867 = 67,514,867
Notice both answers equal 67,514,867
With that explanation out of the way, let's continue. Next, we take the number 67,514,867 and divide it by 2:
67,514,867 ÷ 2 = 33,757,433.5
If the quotient is a whole number, then 2 and 33,757,433.5 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 | 67,514,867 | |
| -1 | -67,514,867 |
Now, we try dividing 67,514,867 by 3:
67,514,867 ÷ 3 = 22,504,955.6667
If the quotient is a whole number, then 3 and 22,504,955.6667 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 | 67,514,867 | |
| -1 | -67,514,867 |
Let's try dividing by 4:
67,514,867 ÷ 4 = 16,878,716.75
If the quotient is a whole number, then 4 and 16,878,716.75 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 | 67,514,867 | |
| -1 | 67,514,867 |
If you did it right, you will end up with this table:
| 1 | 7 | 23 | 157 | 161 | 1,099 | 2,671 | 3,611 | 18,697 | 25,277 | 61,433 | 419,347 | 430,031 | 2,935,429 | 9,644,981 | 67,514,867 |
| -1 | -7 | -23 | -157 | -161 | -1,099 | -2,671 | -3,611 | -18,697 | -25,277 | -61,433 | -419,347 | -430,031 | -2,935,429 | -9,644,981 | -67,514,867 |
Here are some more numbers to try:
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