A:
Positive:
1 x 6318028723 x 274696943 x 1469309193 x 327359331 x 190877989 x 638834439 x 142337613 x 8299
Negative:
-1 x -63180287-23 x -2746969-43 x -1469309-193 x -327359-331 x -190877-989 x -63883-4439 x -14233-7613 x -8299
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 63,180,287, 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 | 63,180,287 | |
| -1 | -63,180,287 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 63,180,287.
Example:
1 x 63,180,287 = 63,180,287
and
-1 x -63,180,287 = 63,180,287
Notice both answers equal 63,180,287
With that explanation out of the way, let's continue. Next, we take the number 63,180,287 and divide it by 2:
63,180,287 ÷ 2 = 31,590,143.5
If the quotient is a whole number, then 2 and 31,590,143.5 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 | 63,180,287 | |
| -1 | -63,180,287 |
Now, we try dividing 63,180,287 by 3:
63,180,287 ÷ 3 = 21,060,095.6667
If the quotient is a whole number, then 3 and 21,060,095.6667 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 | 63,180,287 | |
| -1 | -63,180,287 |
Let's try dividing by 4:
63,180,287 ÷ 4 = 15,795,071.75
If the quotient is a whole number, then 4 and 15,795,071.75 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 | 63,180,287 | |
| -1 | 63,180,287 |
If you did it right, you will end up with this table:
| 1 | 23 | 43 | 193 | 331 | 989 | 4,439 | 7,613 | 8,299 | 14,233 | 63,883 | 190,877 | 327,359 | 1,469,309 | 2,746,969 | 63,180,287 |
| -1 | -23 | -43 | -193 | -331 | -989 | -4,439 | -7,613 | -8,299 | -14,233 | -63,883 | -190,877 | -327,359 | -1,469,309 | -2,746,969 | -63,180,287 |
Here are some more numbers to try:
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