A:
Positive:
1 x 1331233337 x 1901761923 x 578797153 x 2511761161 x 826853371 x 3588231219 x 1092078533 x 15601
Negative:
-1 x -133123333-7 x -19017619-23 x -5787971-53 x -2511761-161 x -826853-371 x -358823-1219 x -109207-8533 x -15601
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 133,123,333, 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 | 133,123,333 | |
| -1 | -133,123,333 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 133,123,333.
Example:
1 x 133,123,333 = 133,123,333
and
-1 x -133,123,333 = 133,123,333
Notice both answers equal 133,123,333
With that explanation out of the way, let's continue. Next, we take the number 133,123,333 and divide it by 2:
133,123,333 ÷ 2 = 66,561,666.5
If the quotient is a whole number, then 2 and 66,561,666.5 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 | 133,123,333 | |
| -1 | -133,123,333 |
Now, we try dividing 133,123,333 by 3:
133,123,333 ÷ 3 = 44,374,444.3333
If the quotient is a whole number, then 3 and 44,374,444.3333 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 | 133,123,333 | |
| -1 | -133,123,333 |
Let's try dividing by 4:
133,123,333 ÷ 4 = 33,280,833.25
If the quotient is a whole number, then 4 and 33,280,833.25 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 | 133,123,333 | |
| -1 | 133,123,333 |
If you did it right, you will end up with this table:
| 1 | 7 | 23 | 53 | 161 | 371 | 1,219 | 8,533 | 15,601 | 109,207 | 358,823 | 826,853 | 2,511,761 | 5,787,971 | 19,017,619 | 133,123,333 |
| -1 | -7 | -23 | -53 | -161 | -371 | -1,219 | -8,533 | -15,601 | -109,207 | -358,823 | -826,853 | -2,511,761 | -5,787,971 | -19,017,619 | -133,123,333 |
Here are some more numbers to try:
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