A:
Positive:
1 x 6862756319 x 361197737 x 185479941 x 1673843703 x 97621779 x 880971517 x 452392381 x 28823
Negative:
-1 x -68627563-19 x -3611977-37 x -1854799-41 x -1673843-703 x -97621-779 x -88097-1517 x -45239-2381 x -28823
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 68,627,563, 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 | 68,627,563 | |
| -1 | -68,627,563 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 68,627,563.
Example:
1 x 68,627,563 = 68,627,563
and
-1 x -68,627,563 = 68,627,563
Notice both answers equal 68,627,563
With that explanation out of the way, let's continue. Next, we take the number 68,627,563 and divide it by 2:
68,627,563 ÷ 2 = 34,313,781.5
If the quotient is a whole number, then 2 and 34,313,781.5 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 | 68,627,563 | |
| -1 | -68,627,563 |
Now, we try dividing 68,627,563 by 3:
68,627,563 ÷ 3 = 22,875,854.3333
If the quotient is a whole number, then 3 and 22,875,854.3333 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 | 68,627,563 | |
| -1 | -68,627,563 |
Let's try dividing by 4:
68,627,563 ÷ 4 = 17,156,890.75
If the quotient is a whole number, then 4 and 17,156,890.75 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 | 68,627,563 | |
| -1 | 68,627,563 |
If you did it right, you will end up with this table:
| 1 | 19 | 37 | 41 | 703 | 779 | 1,517 | 2,381 | 28,823 | 45,239 | 88,097 | 97,621 | 1,673,843 | 1,854,799 | 3,611,977 | 68,627,563 |
| -1 | -19 | -37 | -41 | -703 | -779 | -1,517 | -2,381 | -28,823 | -45,239 | -88,097 | -97,621 | -1,673,843 | -1,854,799 | -3,611,977 | -68,627,563 |
Here are some more numbers to try:
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