A:
Positive:
1 x 3631251555 x 72625031293 x 1239335311 x 1167605797 x 4556151465 x 2478671555 x 2335213985 x 91123
Negative:
-1 x -363125155-5 x -72625031-293 x -1239335-311 x -1167605-797 x -455615-1465 x -247867-1555 x -233521-3985 x -91123
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 363,125,155, 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 | 363,125,155 | |
| -1 | -363,125,155 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 363,125,155.
Example:
1 x 363,125,155 = 363,125,155
and
-1 x -363,125,155 = 363,125,155
Notice both answers equal 363,125,155
With that explanation out of the way, let's continue. Next, we take the number 363,125,155 and divide it by 2:
363,125,155 ÷ 2 = 181,562,577.5
If the quotient is a whole number, then 2 and 181,562,577.5 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 | 363,125,155 | |
| -1 | -363,125,155 |
Now, we try dividing 363,125,155 by 3:
363,125,155 ÷ 3 = 121,041,718.3333
If the quotient is a whole number, then 3 and 121,041,718.3333 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 | 363,125,155 | |
| -1 | -363,125,155 |
Let's try dividing by 4:
363,125,155 ÷ 4 = 90,781,288.75
If the quotient is a whole number, then 4 and 90,781,288.75 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 | 363,125,155 | |
| -1 | 363,125,155 |
If you did it right, you will end up with this table:
| 1 | 5 | 293 | 311 | 797 | 1,465 | 1,555 | 3,985 | 91,123 | 233,521 | 247,867 | 455,615 | 1,167,605 | 1,239,335 | 72,625,031 | 363,125,155 |
| -1 | -5 | -293 | -311 | -797 | -1,465 | -1,555 | -3,985 | -91,123 | -233,521 | -247,867 | -455,615 | -1,167,605 | -1,239,335 | -72,625,031 | -363,125,155 |
Here are some more numbers to try:
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