A:
Positive:
1 x 516105055 x 1032210123 x 224393531 x 1664855115 x 448787155 x 332971467 x 110515713 x 72385961 x 537052335 x 221033565 x 144774805 x 10741
Negative:
-1 x -51610505-5 x -10322101-23 x -2243935-31 x -1664855-115 x -448787-155 x -332971-467 x -110515-713 x -72385-961 x -53705-2335 x -22103-3565 x -14477-4805 x -10741
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 51,610,505, 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 | 51,610,505 | |
| -1 | -51,610,505 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 51,610,505.
Example:
1 x 51,610,505 = 51,610,505
and
-1 x -51,610,505 = 51,610,505
Notice both answers equal 51,610,505
With that explanation out of the way, let's continue. Next, we take the number 51,610,505 and divide it by 2:
51,610,505 ÷ 2 = 25,805,252.5
If the quotient is a whole number, then 2 and 25,805,252.5 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 | 51,610,505 | |
| -1 | -51,610,505 |
Now, we try dividing 51,610,505 by 3:
51,610,505 ÷ 3 = 17,203,501.6667
If the quotient is a whole number, then 3 and 17,203,501.6667 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 | 51,610,505 | |
| -1 | -51,610,505 |
Let's try dividing by 4:
51,610,505 ÷ 4 = 12,902,626.25
If the quotient is a whole number, then 4 and 12,902,626.25 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 | 51,610,505 | |
| -1 | 51,610,505 |
If you did it right, you will end up with this table:
| 1 | 5 | 23 | 31 | 115 | 155 | 467 | 713 | 961 | 2,335 | 3,565 | 4,805 | 10,741 | 14,477 | 22,103 | 53,705 | 72,385 | 110,515 | 332,971 | 448,787 | 1,664,855 | 2,243,935 | 10,322,101 | 51,610,505 |
| -1 | -5 | -23 | -31 | -115 | -155 | -467 | -713 | -961 | -2,335 | -3,565 | -4,805 | -10,741 | -14,477 | -22,103 | -53,705 | -72,385 | -110,515 | -332,971 | -448,787 | -1,664,855 | -2,243,935 | -10,322,101 | -51,610,505 |
Here are some more numbers to try:
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