A:
Positive:
1 x 1626532677 x 2323618161 x 2666447313 x 519659427 x 3809211217 x 1336512191 x 742378519 x 19093
Negative:
-1 x -162653267-7 x -23236181-61 x -2666447-313 x -519659-427 x -380921-1217 x -133651-2191 x -74237-8519 x -19093
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 162,653,267, 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 | 162,653,267 | |
| -1 | -162,653,267 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 162,653,267.
Example:
1 x 162,653,267 = 162,653,267
and
-1 x -162,653,267 = 162,653,267
Notice both answers equal 162,653,267
With that explanation out of the way, let's continue. Next, we take the number 162,653,267 and divide it by 2:
162,653,267 ÷ 2 = 81,326,633.5
If the quotient is a whole number, then 2 and 81,326,633.5 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 | 162,653,267 | |
| -1 | -162,653,267 |
Now, we try dividing 162,653,267 by 3:
162,653,267 ÷ 3 = 54,217,755.6667
If the quotient is a whole number, then 3 and 54,217,755.6667 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 | 162,653,267 | |
| -1 | -162,653,267 |
Let's try dividing by 4:
162,653,267 ÷ 4 = 40,663,316.75
If the quotient is a whole number, then 4 and 40,663,316.75 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 | 162,653,267 | |
| -1 | 162,653,267 |
If you did it right, you will end up with this table:
| 1 | 7 | 61 | 313 | 427 | 1,217 | 2,191 | 8,519 | 19,093 | 74,237 | 133,651 | 380,921 | 519,659 | 2,666,447 | 23,236,181 | 162,653,267 |
| -1 | -7 | -61 | -313 | -427 | -1,217 | -2,191 | -8,519 | -19,093 | -74,237 | -133,651 | -380,921 | -519,659 | -2,666,447 | -23,236,181 | -162,653,267 |
Here are some more numbers to try:
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