A:
Positive:
1 x 5103445155 x 10206890337 x 13793095151 x 3379765185 x 2758619755 x 6759535587 x 9134518269 x 27935
Negative:
-1 x -510344515-5 x -102068903-37 x -13793095-151 x -3379765-185 x -2758619-755 x -675953-5587 x -91345-18269 x -27935
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 510,344,515, 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 | 510,344,515 | |
| -1 | -510,344,515 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 510,344,515.
Example:
1 x 510,344,515 = 510,344,515
and
-1 x -510,344,515 = 510,344,515
Notice both answers equal 510,344,515
With that explanation out of the way, let's continue. Next, we take the number 510,344,515 and divide it by 2:
510,344,515 ÷ 2 = 255,172,257.5
If the quotient is a whole number, then 2 and 255,172,257.5 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 | 510,344,515 | |
| -1 | -510,344,515 |
Now, we try dividing 510,344,515 by 3:
510,344,515 ÷ 3 = 170,114,838.3333
If the quotient is a whole number, then 3 and 170,114,838.3333 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 | 510,344,515 | |
| -1 | -510,344,515 |
Let's try dividing by 4:
510,344,515 ÷ 4 = 127,586,128.75
If the quotient is a whole number, then 4 and 127,586,128.75 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 | 510,344,515 | |
| -1 | 510,344,515 |
If you did it right, you will end up with this table:
| 1 | 5 | 37 | 151 | 185 | 755 | 5,587 | 18,269 | 27,935 | 91,345 | 675,953 | 2,758,619 | 3,379,765 | 13,793,095 | 102,068,903 | 510,344,515 |
| -1 | -5 | -37 | -151 | -185 | -755 | -5,587 | -18,269 | -27,935 | -91,345 | -675,953 | -2,758,619 | -3,379,765 | -13,793,095 | -102,068,903 | -510,344,515 |
Here are some more numbers to try:
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