A:
Positive:
1 x 5109788347 x 108718953 x 96411173 x 699971281 x 1818432491 x 205133431 x 148933869 x 13207
Negative:
-1 x -51097883-47 x -1087189-53 x -964111-73 x -699971-281 x -181843-2491 x -20513-3431 x -14893-3869 x -13207
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 51,097,883, 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 | 51,097,883 | |
| -1 | -51,097,883 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 51,097,883.
Example:
1 x 51,097,883 = 51,097,883
and
-1 x -51,097,883 = 51,097,883
Notice both answers equal 51,097,883
With that explanation out of the way, let's continue. Next, we take the number 51,097,883 and divide it by 2:
51,097,883 ÷ 2 = 25,548,941.5
If the quotient is a whole number, then 2 and 25,548,941.5 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 | 51,097,883 | |
| -1 | -51,097,883 |
Now, we try dividing 51,097,883 by 3:
51,097,883 ÷ 3 = 17,032,627.6667
If the quotient is a whole number, then 3 and 17,032,627.6667 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 | 51,097,883 | |
| -1 | -51,097,883 |
Let's try dividing by 4:
51,097,883 ÷ 4 = 12,774,470.75
If the quotient is a whole number, then 4 and 12,774,470.75 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 | 51,097,883 | |
| -1 | 51,097,883 |
If you did it right, you will end up with this table:
| 1 | 47 | 53 | 73 | 281 | 2,491 | 3,431 | 3,869 | 13,207 | 14,893 | 20,513 | 181,843 | 699,971 | 964,111 | 1,087,189 | 51,097,883 |
| -1 | -47 | -53 | -73 | -281 | -2,491 | -3,431 | -3,869 | -13,207 | -14,893 | -20,513 | -181,843 | -699,971 | -964,111 | -1,087,189 | -51,097,883 |
Here are some more numbers to try:
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