A:
Positive:
1 x 5146036217 x 73514803151 x 3407971593 x 867797821 x 6268011057 x 4868534151 x 1239715747 x 89543
Negative:
-1 x -514603621-7 x -73514803-151 x -3407971-593 x -867797-821 x -626801-1057 x -486853-4151 x -123971-5747 x -89543
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 514,603,621, 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 | 514,603,621 | |
| -1 | -514,603,621 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 514,603,621.
Example:
1 x 514,603,621 = 514,603,621
and
-1 x -514,603,621 = 514,603,621
Notice both answers equal 514,603,621
With that explanation out of the way, let's continue. Next, we take the number 514,603,621 and divide it by 2:
514,603,621 ÷ 2 = 257,301,810.5
If the quotient is a whole number, then 2 and 257,301,810.5 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 | 514,603,621 | |
| -1 | -514,603,621 |
Now, we try dividing 514,603,621 by 3:
514,603,621 ÷ 3 = 171,534,540.3333
If the quotient is a whole number, then 3 and 171,534,540.3333 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 | 514,603,621 | |
| -1 | -514,603,621 |
Let's try dividing by 4:
514,603,621 ÷ 4 = 128,650,905.25
If the quotient is a whole number, then 4 and 128,650,905.25 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 | 514,603,621 | |
| -1 | 514,603,621 |
If you did it right, you will end up with this table:
| 1 | 7 | 151 | 593 | 821 | 1,057 | 4,151 | 5,747 | 89,543 | 123,971 | 486,853 | 626,801 | 867,797 | 3,407,971 | 73,514,803 | 514,603,621 |
| -1 | -7 | -151 | -593 | -821 | -1,057 | -4,151 | -5,747 | -89,543 | -123,971 | -486,853 | -626,801 | -867,797 | -3,407,971 | -73,514,803 | -514,603,621 |
Here are some more numbers to try:
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