A:
Positive:
1 x 5100355317 x 300020959 x 864467211 x 241723241 x 2116331003 x 508513587 x 142194097 x 12449
Negative:
-1 x -51003553-17 x -3000209-59 x -864467-211 x -241723-241 x -211633-1003 x -50851-3587 x -14219-4097 x -12449
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 51,003,553, 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 | 51,003,553 | |
| -1 | -51,003,553 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 51,003,553.
Example:
1 x 51,003,553 = 51,003,553
and
-1 x -51,003,553 = 51,003,553
Notice both answers equal 51,003,553
With that explanation out of the way, let's continue. Next, we take the number 51,003,553 and divide it by 2:
51,003,553 ÷ 2 = 25,501,776.5
If the quotient is a whole number, then 2 and 25,501,776.5 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 | 51,003,553 | |
| -1 | -51,003,553 |
Now, we try dividing 51,003,553 by 3:
51,003,553 ÷ 3 = 17,001,184.3333
If the quotient is a whole number, then 3 and 17,001,184.3333 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 | 51,003,553 | |
| -1 | -51,003,553 |
Let's try dividing by 4:
51,003,553 ÷ 4 = 12,750,888.25
If the quotient is a whole number, then 4 and 12,750,888.25 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 | 51,003,553 | |
| -1 | 51,003,553 |
If you did it right, you will end up with this table:
| 1 | 17 | 59 | 211 | 241 | 1,003 | 3,587 | 4,097 | 12,449 | 14,219 | 50,851 | 211,633 | 241,723 | 864,467 | 3,000,209 | 51,003,553 |
| -1 | -17 | -59 | -211 | -241 | -1,003 | -3,587 | -4,097 | -12,449 | -14,219 | -50,851 | -211,633 | -241,723 | -864,467 | -3,000,209 | -51,003,553 |
Here are some more numbers to try:
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