A:
Positive:
1 x 402803055 x 805606113 x 309848565 x 61969773 x 551785169 x 238345365 x 110357653 x 61685845 x 47669949 x 424453265 x 123374745 x 8489
Negative:
-1 x -40280305-5 x -8056061-13 x -3098485-65 x -619697-73 x -551785-169 x -238345-365 x -110357-653 x -61685-845 x -47669-949 x -42445-3265 x -12337-4745 x -8489
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 40,280,305, 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 | 40,280,305 | |
| -1 | -40,280,305 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 40,280,305.
Example:
1 x 40,280,305 = 40,280,305
and
-1 x -40,280,305 = 40,280,305
Notice both answers equal 40,280,305
With that explanation out of the way, let's continue. Next, we take the number 40,280,305 and divide it by 2:
40,280,305 ÷ 2 = 20,140,152.5
If the quotient is a whole number, then 2 and 20,140,152.5 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 | 40,280,305 | |
| -1 | -40,280,305 |
Now, we try dividing 40,280,305 by 3:
40,280,305 ÷ 3 = 13,426,768.3333
If the quotient is a whole number, then 3 and 13,426,768.3333 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 | 40,280,305 | |
| -1 | -40,280,305 |
Let's try dividing by 4:
40,280,305 ÷ 4 = 10,070,076.25
If the quotient is a whole number, then 4 and 10,070,076.25 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 | 40,280,305 | |
| -1 | 40,280,305 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 65 | 73 | 169 | 365 | 653 | 845 | 949 | 3,265 | 4,745 | 8,489 | 12,337 | 42,445 | 47,669 | 61,685 | 110,357 | 238,345 | 551,785 | 619,697 | 3,098,485 | 8,056,061 | 40,280,305 |
| -1 | -5 | -13 | -65 | -73 | -169 | -365 | -653 | -845 | -949 | -3,265 | -4,745 | -8,489 | -12,337 | -42,445 | -47,669 | -61,685 | -110,357 | -238,345 | -551,785 | -619,697 | -3,098,485 | -8,056,061 | -40,280,305 |
Here are some more numbers to try:
Try the factor calculator