A:
Positive:
1 x 1670272155 x 33405443233 x 716855311 x 537065461 x 3623151165 x 1433711555 x 1074132305 x 72463
Negative:
-1 x -167027215-5 x -33405443-233 x -716855-311 x -537065-461 x -362315-1165 x -143371-1555 x -107413-2305 x -72463
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 167,027,215, 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 | 167,027,215 | |
| -1 | -167,027,215 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 167,027,215.
Example:
1 x 167,027,215 = 167,027,215
and
-1 x -167,027,215 = 167,027,215
Notice both answers equal 167,027,215
With that explanation out of the way, let's continue. Next, we take the number 167,027,215 and divide it by 2:
167,027,215 ÷ 2 = 83,513,607.5
If the quotient is a whole number, then 2 and 83,513,607.5 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 | 167,027,215 | |
| -1 | -167,027,215 |
Now, we try dividing 167,027,215 by 3:
167,027,215 ÷ 3 = 55,675,738.3333
If the quotient is a whole number, then 3 and 55,675,738.3333 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 | 167,027,215 | |
| -1 | -167,027,215 |
Let's try dividing by 4:
167,027,215 ÷ 4 = 41,756,803.75
If the quotient is a whole number, then 4 and 41,756,803.75 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 | 167,027,215 | |
| -1 | 167,027,215 |
If you did it right, you will end up with this table:
| 1 | 5 | 233 | 311 | 461 | 1,165 | 1,555 | 2,305 | 72,463 | 107,413 | 143,371 | 362,315 | 537,065 | 716,855 | 33,405,443 | 167,027,215 |
| -1 | -5 | -233 | -311 | -461 | -1,165 | -1,555 | -2,305 | -72,463 | -107,413 | -143,371 | -362,315 | -537,065 | -716,855 | -33,405,443 | -167,027,215 |
Here are some more numbers to try:
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