A:
Positive:
1 x 3713353155 x 7426706313 x 2856425543 x 863570565 x 5712851215 x 1727141559 x 6642852795 x 132857
Negative:
-1 x -371335315-5 x -74267063-13 x -28564255-43 x -8635705-65 x -5712851-215 x -1727141-559 x -664285-2795 x -132857
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 371,335,315, 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 | 371,335,315 | |
| -1 | -371,335,315 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 371,335,315.
Example:
1 x 371,335,315 = 371,335,315
and
-1 x -371,335,315 = 371,335,315
Notice both answers equal 371,335,315
With that explanation out of the way, let's continue. Next, we take the number 371,335,315 and divide it by 2:
371,335,315 ÷ 2 = 185,667,657.5
If the quotient is a whole number, then 2 and 185,667,657.5 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 | 371,335,315 | |
| -1 | -371,335,315 |
Now, we try dividing 371,335,315 by 3:
371,335,315 ÷ 3 = 123,778,438.3333
If the quotient is a whole number, then 3 and 123,778,438.3333 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 | 371,335,315 | |
| -1 | -371,335,315 |
Let's try dividing by 4:
371,335,315 ÷ 4 = 92,833,828.75
If the quotient is a whole number, then 4 and 92,833,828.75 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 | 371,335,315 | |
| -1 | 371,335,315 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 43 | 65 | 215 | 559 | 2,795 | 132,857 | 664,285 | 1,727,141 | 5,712,851 | 8,635,705 | 28,564,255 | 74,267,063 | 371,335,315 |
| -1 | -5 | -13 | -43 | -65 | -215 | -559 | -2,795 | -132,857 | -664,285 | -1,727,141 | -5,712,851 | -8,635,705 | -28,564,255 | -74,267,063 | -371,335,315 |
Here are some more numbers to try:
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