A:
Positive:
1 x 406240455 x 81248097 x 580343511 x 369309535 x 116068755 x 73861977 x 527585385 x 105517
Negative:
-1 x -40624045-5 x -8124809-7 x -5803435-11 x -3693095-35 x -1160687-55 x -738619-77 x -527585-385 x -105517
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 40,624,045, 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 | 40,624,045 | |
| -1 | -40,624,045 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 40,624,045.
Example:
1 x 40,624,045 = 40,624,045
and
-1 x -40,624,045 = 40,624,045
Notice both answers equal 40,624,045
With that explanation out of the way, let's continue. Next, we take the number 40,624,045 and divide it by 2:
40,624,045 ÷ 2 = 20,312,022.5
If the quotient is a whole number, then 2 and 20,312,022.5 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 | 40,624,045 | |
| -1 | -40,624,045 |
Now, we try dividing 40,624,045 by 3:
40,624,045 ÷ 3 = 13,541,348.3333
If the quotient is a whole number, then 3 and 13,541,348.3333 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 | 40,624,045 | |
| -1 | -40,624,045 |
Let's try dividing by 4:
40,624,045 ÷ 4 = 10,156,011.25
If the quotient is a whole number, then 4 and 10,156,011.25 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 | 40,624,045 | |
| -1 | 40,624,045 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 11 | 35 | 55 | 77 | 385 | 105,517 | 527,585 | 738,619 | 1,160,687 | 3,693,095 | 5,803,435 | 8,124,809 | 40,624,045 |
| -1 | -5 | -7 | -11 | -35 | -55 | -77 | -385 | -105,517 | -527,585 | -738,619 | -1,160,687 | -3,693,095 | -5,803,435 | -8,124,809 | -40,624,045 |
Here are some more numbers to try:
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