A:
Positive:
1 x 434452155 x 868904311 x 394956537 x 117419555 x 789913185 x 234839407 x 106745577 x 752951369 x 317352035 x 213492885 x 150596347 x 6845
Negative:
-1 x -43445215-5 x -8689043-11 x -3949565-37 x -1174195-55 x -789913-185 x -234839-407 x -106745-577 x -75295-1369 x -31735-2035 x -21349-2885 x -15059-6347 x -6845
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 43,445,215, 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 | 43,445,215 | |
| -1 | -43,445,215 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 43,445,215.
Example:
1 x 43,445,215 = 43,445,215
and
-1 x -43,445,215 = 43,445,215
Notice both answers equal 43,445,215
With that explanation out of the way, let's continue. Next, we take the number 43,445,215 and divide it by 2:
43,445,215 ÷ 2 = 21,722,607.5
If the quotient is a whole number, then 2 and 21,722,607.5 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 | 43,445,215 | |
| -1 | -43,445,215 |
Now, we try dividing 43,445,215 by 3:
43,445,215 ÷ 3 = 14,481,738.3333
If the quotient is a whole number, then 3 and 14,481,738.3333 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 | 43,445,215 | |
| -1 | -43,445,215 |
Let's try dividing by 4:
43,445,215 ÷ 4 = 10,861,303.75
If the quotient is a whole number, then 4 and 10,861,303.75 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 | 43,445,215 | |
| -1 | 43,445,215 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 37 | 55 | 185 | 407 | 577 | 1,369 | 2,035 | 2,885 | 6,347 | 6,845 | 15,059 | 21,349 | 31,735 | 75,295 | 106,745 | 234,839 | 789,913 | 1,174,195 | 3,949,565 | 8,689,043 | 43,445,215 |
| -1 | -5 | -11 | -37 | -55 | -185 | -407 | -577 | -1,369 | -2,035 | -2,885 | -6,347 | -6,845 | -15,059 | -21,349 | -31,735 | -75,295 | -106,745 | -234,839 | -789,913 | -1,174,195 | -3,949,565 | -8,689,043 | -43,445,215 |
Here are some more numbers to try:
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