A:
Positive:
1 x 1712140437 x 2445914911 x 1556491313 x 1317031177 x 222355991 x 1881473143 x 11973011001 x 171043
Negative:
-1 x -171214043-7 x -24459149-11 x -15564913-13 x -13170311-77 x -2223559-91 x -1881473-143 x -1197301-1001 x -171043
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 171,214,043, 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 | 171,214,043 | |
| -1 | -171,214,043 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 171,214,043.
Example:
1 x 171,214,043 = 171,214,043
and
-1 x -171,214,043 = 171,214,043
Notice both answers equal 171,214,043
With that explanation out of the way, let's continue. Next, we take the number 171,214,043 and divide it by 2:
171,214,043 ÷ 2 = 85,607,021.5
If the quotient is a whole number, then 2 and 85,607,021.5 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 | 171,214,043 | |
| -1 | -171,214,043 |
Now, we try dividing 171,214,043 by 3:
171,214,043 ÷ 3 = 57,071,347.6667
If the quotient is a whole number, then 3 and 57,071,347.6667 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 | 171,214,043 | |
| -1 | -171,214,043 |
Let's try dividing by 4:
171,214,043 ÷ 4 = 42,803,510.75
If the quotient is a whole number, then 4 and 42,803,510.75 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 | 171,214,043 | |
| -1 | 171,214,043 |
If you did it right, you will end up with this table:
| 1 | 7 | 11 | 13 | 77 | 91 | 143 | 1,001 | 171,043 | 1,197,301 | 1,881,473 | 2,223,559 | 13,170,311 | 15,564,913 | 24,459,149 | 171,214,043 |
| -1 | -7 | -11 | -13 | -77 | -91 | -143 | -1,001 | -171,043 | -1,197,301 | -1,881,473 | -2,223,559 | -13,170,311 | -15,564,913 | -24,459,149 | -171,214,043 |
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