A:
Positive:
1 x 15418183313 x 11860141103 x 1496911113 x 13644411019 x 1513071339 x 1151471469 x 10495711639 x 13247
Negative:
-1 x -154181833-13 x -11860141-103 x -1496911-113 x -1364441-1019 x -151307-1339 x -115147-1469 x -104957-11639 x -13247
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 154,181,833, 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 | 154,181,833 | |
| -1 | -154,181,833 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 154,181,833.
Example:
1 x 154,181,833 = 154,181,833
and
-1 x -154,181,833 = 154,181,833
Notice both answers equal 154,181,833
With that explanation out of the way, let's continue. Next, we take the number 154,181,833 and divide it by 2:
154,181,833 ÷ 2 = 77,090,916.5
If the quotient is a whole number, then 2 and 77,090,916.5 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 | 154,181,833 | |
| -1 | -154,181,833 |
Now, we try dividing 154,181,833 by 3:
154,181,833 ÷ 3 = 51,393,944.3333
If the quotient is a whole number, then 3 and 51,393,944.3333 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 | 154,181,833 | |
| -1 | -154,181,833 |
Let's try dividing by 4:
154,181,833 ÷ 4 = 38,545,458.25
If the quotient is a whole number, then 4 and 38,545,458.25 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 | 154,181,833 | |
| -1 | 154,181,833 |
If you did it right, you will end up with this table:
| 1 | 13 | 103 | 113 | 1,019 | 1,339 | 1,469 | 11,639 | 13,247 | 104,957 | 115,147 | 151,307 | 1,364,441 | 1,496,911 | 11,860,141 | 154,181,833 |
| -1 | -13 | -103 | -113 | -1,019 | -1,339 | -1,469 | -11,639 | -13,247 | -104,957 | -115,147 | -151,307 | -1,364,441 | -1,496,911 | -11,860,141 | -154,181,833 |
Here are some more numbers to try:
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