A:
Positive:
1 x 4687021437 x 6695744913 x 3605401191 x 5150573359 x 13055772513 x 1865114667 x 10042914347 x 32669
Negative:
-1 x -468702143-7 x -66957449-13 x -36054011-91 x -5150573-359 x -1305577-2513 x -186511-4667 x -100429-14347 x -32669
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 468,702,143, 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 | 468,702,143 | |
| -1 | -468,702,143 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 468,702,143.
Example:
1 x 468,702,143 = 468,702,143
and
-1 x -468,702,143 = 468,702,143
Notice both answers equal 468,702,143
With that explanation out of the way, let's continue. Next, we take the number 468,702,143 and divide it by 2:
468,702,143 ÷ 2 = 234,351,071.5
If the quotient is a whole number, then 2 and 234,351,071.5 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 | 468,702,143 | |
| -1 | -468,702,143 |
Now, we try dividing 468,702,143 by 3:
468,702,143 ÷ 3 = 156,234,047.6667
If the quotient is a whole number, then 3 and 156,234,047.6667 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 | 468,702,143 | |
| -1 | -468,702,143 |
Let's try dividing by 4:
468,702,143 ÷ 4 = 117,175,535.75
If the quotient is a whole number, then 4 and 117,175,535.75 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 | 468,702,143 | |
| -1 | 468,702,143 |
If you did it right, you will end up with this table:
| 1 | 7 | 13 | 91 | 359 | 2,513 | 4,667 | 14,347 | 32,669 | 100,429 | 186,511 | 1,305,577 | 5,150,573 | 36,054,011 | 66,957,449 | 468,702,143 |
| -1 | -7 | -13 | -91 | -359 | -2,513 | -4,667 | -14,347 | -32,669 | -100,429 | -186,511 | -1,305,577 | -5,150,573 | -36,054,011 | -66,957,449 | -468,702,143 |
Here are some more numbers to try:
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