A:
Positive:
1 x 40213446123 x 17484107149 x 2698889271 x 1483891433 x 9287173427 x 1173436233 x 645179959 x 40379
Negative:
-1 x -402134461-23 x -17484107-149 x -2698889-271 x -1483891-433 x -928717-3427 x -117343-6233 x -64517-9959 x -40379
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 402,134,461, 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 | 402,134,461 | |
| -1 | -402,134,461 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 402,134,461.
Example:
1 x 402,134,461 = 402,134,461
and
-1 x -402,134,461 = 402,134,461
Notice both answers equal 402,134,461
With that explanation out of the way, let's continue. Next, we take the number 402,134,461 and divide it by 2:
402,134,461 ÷ 2 = 201,067,230.5
If the quotient is a whole number, then 2 and 201,067,230.5 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 | 402,134,461 | |
| -1 | -402,134,461 |
Now, we try dividing 402,134,461 by 3:
402,134,461 ÷ 3 = 134,044,820.3333
If the quotient is a whole number, then 3 and 134,044,820.3333 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 | 402,134,461 | |
| -1 | -402,134,461 |
Let's try dividing by 4:
402,134,461 ÷ 4 = 100,533,615.25
If the quotient is a whole number, then 4 and 100,533,615.25 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 | 402,134,461 | |
| -1 | 402,134,461 |
If you did it right, you will end up with this table:
| 1 | 23 | 149 | 271 | 433 | 3,427 | 6,233 | 9,959 | 40,379 | 64,517 | 117,343 | 928,717 | 1,483,891 | 2,698,889 | 17,484,107 | 402,134,461 |
| -1 | -23 | -149 | -271 | -433 | -3,427 | -6,233 | -9,959 | -40,379 | -64,517 | -117,343 | -928,717 | -1,483,891 | -2,698,889 | -17,484,107 | -402,134,461 |
Here are some more numbers to try:
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