A:
Positive:
1 x 1732725617 x 2475322311 x 1575205177 x 2250293223 x 7770071561 x 1110012453 x 7063710091 x 17171
Negative:
-1 x -173272561-7 x -24753223-11 x -15752051-77 x -2250293-223 x -777007-1561 x -111001-2453 x -70637-10091 x -17171
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 173,272,561, 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 | 173,272,561 | |
| -1 | -173,272,561 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 173,272,561.
Example:
1 x 173,272,561 = 173,272,561
and
-1 x -173,272,561 = 173,272,561
Notice both answers equal 173,272,561
With that explanation out of the way, let's continue. Next, we take the number 173,272,561 and divide it by 2:
173,272,561 ÷ 2 = 86,636,280.5
If the quotient is a whole number, then 2 and 86,636,280.5 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 | 173,272,561 | |
| -1 | -173,272,561 |
Now, we try dividing 173,272,561 by 3:
173,272,561 ÷ 3 = 57,757,520.3333
If the quotient is a whole number, then 3 and 57,757,520.3333 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 | 173,272,561 | |
| -1 | -173,272,561 |
Let's try dividing by 4:
173,272,561 ÷ 4 = 43,318,140.25
If the quotient is a whole number, then 4 and 43,318,140.25 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 | 173,272,561 | |
| -1 | 173,272,561 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 77 | 223 | 1,561 | 2,453 | 10,091 | 17,171 | 70,637 | 111,001 | 777,007 | 2,250,293 | 15,752,051 | 24,753,223 | 173,272,561 |
| -1 | -7 | -11 | -77 | -223 | -1,561 | -2,453 | -10,091 | -17,171 | -70,637 | -111,001 | -777,007 | -2,250,293 | -15,752,051 | -24,753,223 | -173,272,561 |
Here are some more numbers to try:
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