A:
Positive:
1 x 1873136355 x 37462727241 x 777235359 x 521765433 x 4325951205 x 1554471795 x 1043532165 x 86519
Negative:
-1 x -187313635-5 x -37462727-241 x -777235-359 x -521765-433 x -432595-1205 x -155447-1795 x -104353-2165 x -86519
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 187,313,635, 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 | 187,313,635 | |
| -1 | -187,313,635 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 187,313,635.
Example:
1 x 187,313,635 = 187,313,635
and
-1 x -187,313,635 = 187,313,635
Notice both answers equal 187,313,635
With that explanation out of the way, let's continue. Next, we take the number 187,313,635 and divide it by 2:
187,313,635 ÷ 2 = 93,656,817.5
If the quotient is a whole number, then 2 and 93,656,817.5 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 | 187,313,635 | |
| -1 | -187,313,635 |
Now, we try dividing 187,313,635 by 3:
187,313,635 ÷ 3 = 62,437,878.3333
If the quotient is a whole number, then 3 and 62,437,878.3333 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 | 187,313,635 | |
| -1 | -187,313,635 |
Let's try dividing by 4:
187,313,635 ÷ 4 = 46,828,408.75
If the quotient is a whole number, then 4 and 46,828,408.75 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 | 187,313,635 | |
| -1 | 187,313,635 |
If you did it right, you will end up with this table:
| 1 | 5 | 241 | 359 | 433 | 1,205 | 1,795 | 2,165 | 86,519 | 104,353 | 155,447 | 432,595 | 521,765 | 777,235 | 37,462,727 | 187,313,635 |
| -1 | -5 | -241 | -359 | -433 | -1,205 | -1,795 | -2,165 | -86,519 | -104,353 | -155,447 | -432,595 | -521,765 | -777,235 | -37,462,727 | -187,313,635 |
Here are some more numbers to try:
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