A:
Positive:
1 x 17267052731 x 557001737 x 466677147 x 36738411147 x 1505411457 x 1185111739 x 992933203 x 53909
Negative:
-1 x -172670527-31 x -5570017-37 x -4666771-47 x -3673841-1147 x -150541-1457 x -118511-1739 x -99293-3203 x -53909
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 172,670,527, 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 | 172,670,527 | |
| -1 | -172,670,527 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 172,670,527.
Example:
1 x 172,670,527 = 172,670,527
and
-1 x -172,670,527 = 172,670,527
Notice both answers equal 172,670,527
With that explanation out of the way, let's continue. Next, we take the number 172,670,527 and divide it by 2:
172,670,527 ÷ 2 = 86,335,263.5
If the quotient is a whole number, then 2 and 86,335,263.5 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 | 172,670,527 | |
| -1 | -172,670,527 |
Now, we try dividing 172,670,527 by 3:
172,670,527 ÷ 3 = 57,556,842.3333
If the quotient is a whole number, then 3 and 57,556,842.3333 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 | 172,670,527 | |
| -1 | -172,670,527 |
Let's try dividing by 4:
172,670,527 ÷ 4 = 43,167,631.75
If the quotient is a whole number, then 4 and 43,167,631.75 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 | 172,670,527 | |
| -1 | 172,670,527 |
If you did it right, you will end up with this table:
| 1 | 31 | 37 | 47 | 1,147 | 1,457 | 1,739 | 3,203 | 53,909 | 99,293 | 118,511 | 150,541 | 3,673,841 | 4,666,771 | 5,570,017 | 172,670,527 |
| -1 | -31 | -37 | -47 | -1,147 | -1,457 | -1,739 | -3,203 | -53,909 | -99,293 | -118,511 | -150,541 | -3,673,841 | -4,666,771 | -5,570,017 | -172,670,527 |
Here are some more numbers to try:
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