A:
Positive:
1 x 17254441323 x 750193171 x 2430203157 x 1099009673 x 2563811633 x 1056613611 x 4778311147 x 15479
Negative:
-1 x -172544413-23 x -7501931-71 x -2430203-157 x -1099009-673 x -256381-1633 x -105661-3611 x -47783-11147 x -15479
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 172,544,413, 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 | 172,544,413 | |
| -1 | -172,544,413 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 172,544,413.
Example:
1 x 172,544,413 = 172,544,413
and
-1 x -172,544,413 = 172,544,413
Notice both answers equal 172,544,413
With that explanation out of the way, let's continue. Next, we take the number 172,544,413 and divide it by 2:
172,544,413 ÷ 2 = 86,272,206.5
If the quotient is a whole number, then 2 and 86,272,206.5 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 | 172,544,413 | |
| -1 | -172,544,413 |
Now, we try dividing 172,544,413 by 3:
172,544,413 ÷ 3 = 57,514,804.3333
If the quotient is a whole number, then 3 and 57,514,804.3333 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 | 172,544,413 | |
| -1 | -172,544,413 |
Let's try dividing by 4:
172,544,413 ÷ 4 = 43,136,103.25
If the quotient is a whole number, then 4 and 43,136,103.25 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 | 172,544,413 | |
| -1 | 172,544,413 |
If you did it right, you will end up with this table:
| 1 | 23 | 71 | 157 | 673 | 1,633 | 3,611 | 11,147 | 15,479 | 47,783 | 105,661 | 256,381 | 1,099,009 | 2,430,203 | 7,501,931 | 172,544,413 |
| -1 | -23 | -71 | -157 | -673 | -1,633 | -3,611 | -11,147 | -15,479 | -47,783 | -105,661 | -256,381 | -1,099,009 | -2,430,203 | -7,501,931 | -172,544,413 |
Here are some more numbers to try:
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