A:
Positive:
1 x 15266730713 x 1174363923 x 663770989 x 1715363299 x 5105931157 x 1319512047 x 745815737 x 26611
Negative:
-1 x -152667307-13 x -11743639-23 x -6637709-89 x -1715363-299 x -510593-1157 x -131951-2047 x -74581-5737 x -26611
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 152,667,307, 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 | 152,667,307 | |
| -1 | -152,667,307 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 152,667,307.
Example:
1 x 152,667,307 = 152,667,307
and
-1 x -152,667,307 = 152,667,307
Notice both answers equal 152,667,307
With that explanation out of the way, let's continue. Next, we take the number 152,667,307 and divide it by 2:
152,667,307 ÷ 2 = 76,333,653.5
If the quotient is a whole number, then 2 and 76,333,653.5 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 | 152,667,307 | |
| -1 | -152,667,307 |
Now, we try dividing 152,667,307 by 3:
152,667,307 ÷ 3 = 50,889,102.3333
If the quotient is a whole number, then 3 and 50,889,102.3333 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 | 152,667,307 | |
| -1 | -152,667,307 |
Let's try dividing by 4:
152,667,307 ÷ 4 = 38,166,826.75
If the quotient is a whole number, then 4 and 38,166,826.75 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 | 152,667,307 | |
| -1 | 152,667,307 |
If you did it right, you will end up with this table:
| 1 | 13 | 23 | 89 | 299 | 1,157 | 2,047 | 5,737 | 26,611 | 74,581 | 131,951 | 510,593 | 1,715,363 | 6,637,709 | 11,743,639 | 152,667,307 |
| -1 | -13 | -23 | -89 | -299 | -1,157 | -2,047 | -5,737 | -26,611 | -74,581 | -131,951 | -510,593 | -1,715,363 | -6,637,709 | -11,743,639 | -152,667,307 |
Here are some more numbers to try:
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