A:
Positive:
1 x 37152043319 x 1955370773 x 5089321277 x 1341229967 x 3841991387 x 2678595263 x 7059118373 x 20221
Negative:
-1 x -371520433-19 x -19553707-73 x -5089321-277 x -1341229-967 x -384199-1387 x -267859-5263 x -70591-18373 x -20221
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 371,520,433, 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 | 371,520,433 | |
| -1 | -371,520,433 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 371,520,433.
Example:
1 x 371,520,433 = 371,520,433
and
-1 x -371,520,433 = 371,520,433
Notice both answers equal 371,520,433
With that explanation out of the way, let's continue. Next, we take the number 371,520,433 and divide it by 2:
371,520,433 ÷ 2 = 185,760,216.5
If the quotient is a whole number, then 2 and 185,760,216.5 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 | 371,520,433 | |
| -1 | -371,520,433 |
Now, we try dividing 371,520,433 by 3:
371,520,433 ÷ 3 = 123,840,144.3333
If the quotient is a whole number, then 3 and 123,840,144.3333 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 | 371,520,433 | |
| -1 | -371,520,433 |
Let's try dividing by 4:
371,520,433 ÷ 4 = 92,880,108.25
If the quotient is a whole number, then 4 and 92,880,108.25 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 | 371,520,433 | |
| -1 | 371,520,433 |
If you did it right, you will end up with this table:
| 1 | 19 | 73 | 277 | 967 | 1,387 | 5,263 | 18,373 | 20,221 | 70,591 | 267,859 | 384,199 | 1,341,229 | 5,089,321 | 19,553,707 | 371,520,433 |
| -1 | -19 | -73 | -277 | -967 | -1,387 | -5,263 | -18,373 | -20,221 | -70,591 | -267,859 | -384,199 | -1,341,229 | -5,089,321 | -19,553,707 | -371,520,433 |
Here are some more numbers to try:
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