A:
Positive:
1 x 5151675723 x 223985961 x 84453773 x 705709503 x 1024191403 x 367191679 x 306834453 x 11569
Negative:
-1 x -51516757-23 x -2239859-61 x -844537-73 x -705709-503 x -102419-1403 x -36719-1679 x -30683-4453 x -11569
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 51,516,757, 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 | 51,516,757 | |
| -1 | -51,516,757 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 51,516,757.
Example:
1 x 51,516,757 = 51,516,757
and
-1 x -51,516,757 = 51,516,757
Notice both answers equal 51,516,757
With that explanation out of the way, let's continue. Next, we take the number 51,516,757 and divide it by 2:
51,516,757 ÷ 2 = 25,758,378.5
If the quotient is a whole number, then 2 and 25,758,378.5 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 | 51,516,757 | |
| -1 | -51,516,757 |
Now, we try dividing 51,516,757 by 3:
51,516,757 ÷ 3 = 17,172,252.3333
If the quotient is a whole number, then 3 and 17,172,252.3333 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 | 51,516,757 | |
| -1 | -51,516,757 |
Let's try dividing by 4:
51,516,757 ÷ 4 = 12,879,189.25
If the quotient is a whole number, then 4 and 12,879,189.25 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 | 51,516,757 | |
| -1 | 51,516,757 |
If you did it right, you will end up with this table:
| 1 | 23 | 61 | 73 | 503 | 1,403 | 1,679 | 4,453 | 11,569 | 30,683 | 36,719 | 102,419 | 705,709 | 844,537 | 2,239,859 | 51,516,757 |
| -1 | -23 | -61 | -73 | -503 | -1,403 | -1,679 | -4,453 | -11,569 | -30,683 | -36,719 | -102,419 | -705,709 | -844,537 | -2,239,859 | -51,516,757 |
Here are some more numbers to try:
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