A:
Positive:
1 x 3725335855 x 7450671741 x 908618579 x 4715615205 x 1817237395 x 9431233239 x 11501516195 x 23003
Negative:
-1 x -372533585-5 x -74506717-41 x -9086185-79 x -4715615-205 x -1817237-395 x -943123-3239 x -115015-16195 x -23003
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 372,533,585, 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 | 372,533,585 | |
| -1 | -372,533,585 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 372,533,585.
Example:
1 x 372,533,585 = 372,533,585
and
-1 x -372,533,585 = 372,533,585
Notice both answers equal 372,533,585
With that explanation out of the way, let's continue. Next, we take the number 372,533,585 and divide it by 2:
372,533,585 ÷ 2 = 186,266,792.5
If the quotient is a whole number, then 2 and 186,266,792.5 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 | 372,533,585 | |
| -1 | -372,533,585 |
Now, we try dividing 372,533,585 by 3:
372,533,585 ÷ 3 = 124,177,861.6667
If the quotient is a whole number, then 3 and 124,177,861.6667 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 | 372,533,585 | |
| -1 | -372,533,585 |
Let's try dividing by 4:
372,533,585 ÷ 4 = 93,133,396.25
If the quotient is a whole number, then 4 and 93,133,396.25 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 | 372,533,585 | |
| -1 | 372,533,585 |
If you did it right, you will end up with this table:
| 1 | 5 | 41 | 79 | 205 | 395 | 3,239 | 16,195 | 23,003 | 115,015 | 943,123 | 1,817,237 | 4,715,615 | 9,086,185 | 74,506,717 | 372,533,585 |
| -1 | -5 | -41 | -79 | -205 | -395 | -3,239 | -16,195 | -23,003 | -115,015 | -943,123 | -1,817,237 | -4,715,615 | -9,086,185 | -74,506,717 | -372,533,585 |
Here are some more numbers to try:
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