A:
Positive:
1 x 402044655 x 80408937 x 574349535 x 1148699443 x 907552215 x 181512593 x 155053101 x 12965
Negative:
-1 x -40204465-5 x -8040893-7 x -5743495-35 x -1148699-443 x -90755-2215 x -18151-2593 x -15505-3101 x -12965
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 40,204,465, 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 | 40,204,465 | |
| -1 | -40,204,465 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 40,204,465.
Example:
1 x 40,204,465 = 40,204,465
and
-1 x -40,204,465 = 40,204,465
Notice both answers equal 40,204,465
With that explanation out of the way, let's continue. Next, we take the number 40,204,465 and divide it by 2:
40,204,465 ÷ 2 = 20,102,232.5
If the quotient is a whole number, then 2 and 20,102,232.5 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 | 40,204,465 | |
| -1 | -40,204,465 |
Now, we try dividing 40,204,465 by 3:
40,204,465 ÷ 3 = 13,401,488.3333
If the quotient is a whole number, then 3 and 13,401,488.3333 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 | 40,204,465 | |
| -1 | -40,204,465 |
Let's try dividing by 4:
40,204,465 ÷ 4 = 10,051,116.25
If the quotient is a whole number, then 4 and 10,051,116.25 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 | 40,204,465 | |
| -1 | 40,204,465 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 443 | 2,215 | 2,593 | 3,101 | 12,965 | 15,505 | 18,151 | 90,755 | 1,148,699 | 5,743,495 | 8,040,893 | 40,204,465 |
| -1 | -5 | -7 | -35 | -443 | -2,215 | -2,593 | -3,101 | -12,965 | -15,505 | -18,151 | -90,755 | -1,148,699 | -5,743,495 | -8,040,893 | -40,204,465 |
Here are some more numbers to try:
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