A:
Positive:
1 x 15221152713 x 1170857919 x 801113397 x 1569191247 x 6162411261 x 1207071843 x 825896353 x 23959
Negative:
-1 x -152211527-13 x -11708579-19 x -8011133-97 x -1569191-247 x -616241-1261 x -120707-1843 x -82589-6353 x -23959
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 152,211,527, 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 | 152,211,527 | |
| -1 | -152,211,527 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 152,211,527.
Example:
1 x 152,211,527 = 152,211,527
and
-1 x -152,211,527 = 152,211,527
Notice both answers equal 152,211,527
With that explanation out of the way, let's continue. Next, we take the number 152,211,527 and divide it by 2:
152,211,527 ÷ 2 = 76,105,763.5
If the quotient is a whole number, then 2 and 76,105,763.5 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 | 152,211,527 | |
| -1 | -152,211,527 |
Now, we try dividing 152,211,527 by 3:
152,211,527 ÷ 3 = 50,737,175.6667
If the quotient is a whole number, then 3 and 50,737,175.6667 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 | 152,211,527 | |
| -1 | -152,211,527 |
Let's try dividing by 4:
152,211,527 ÷ 4 = 38,052,881.75
If the quotient is a whole number, then 4 and 38,052,881.75 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 | 152,211,527 | |
| -1 | 152,211,527 |
If you did it right, you will end up with this table:
| 1 | 13 | 19 | 97 | 247 | 1,261 | 1,843 | 6,353 | 23,959 | 82,589 | 120,707 | 616,241 | 1,569,191 | 8,011,133 | 11,708,579 | 152,211,527 |
| -1 | -13 | -19 | -97 | -247 | -1,261 | -1,843 | -6,353 | -23,959 | -82,589 | -120,707 | -616,241 | -1,569,191 | -8,011,133 | -11,708,579 | -152,211,527 |
Here are some more numbers to try:
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