A:
Positive:
1 x 177124755 x 354249511 x 161022525 x 70849929 x 61077555 x 322045145 x 122155275 x 64409319 x 55525725 x 244311595 x 111052221 x 7975
Negative:
-1 x -17712475-5 x -3542495-11 x -1610225-25 x -708499-29 x -610775-55 x -322045-145 x -122155-275 x -64409-319 x -55525-725 x -24431-1595 x -11105-2221 x -7975
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 17,712,475, 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 | 17,712,475 | |
| -1 | -17,712,475 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 17,712,475.
Example:
1 x 17,712,475 = 17,712,475
and
-1 x -17,712,475 = 17,712,475
Notice both answers equal 17,712,475
With that explanation out of the way, let's continue. Next, we take the number 17,712,475 and divide it by 2:
17,712,475 ÷ 2 = 8,856,237.5
If the quotient is a whole number, then 2 and 8,856,237.5 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 | 17,712,475 | |
| -1 | -17,712,475 |
Now, we try dividing 17,712,475 by 3:
17,712,475 ÷ 3 = 5,904,158.3333
If the quotient is a whole number, then 3 and 5,904,158.3333 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 | 17,712,475 | |
| -1 | -17,712,475 |
Let's try dividing by 4:
17,712,475 ÷ 4 = 4,428,118.75
If the quotient is a whole number, then 4 and 4,428,118.75 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 | 17,712,475 | |
| -1 | 17,712,475 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 25 | 29 | 55 | 145 | 275 | 319 | 725 | 1,595 | 2,221 | 7,975 | 11,105 | 24,431 | 55,525 | 64,409 | 122,155 | 322,045 | 610,775 | 708,499 | 1,610,225 | 3,542,495 | 17,712,475 |
| -1 | -5 | -11 | -25 | -29 | -55 | -145 | -275 | -319 | -725 | -1,595 | -2,221 | -7,975 | -11,105 | -24,431 | -55,525 | -64,409 | -122,155 | -322,045 | -610,775 | -708,499 | -1,610,225 | -3,542,495 | -17,712,475 |
Here are some more numbers to try:
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