A:
Positive:
1 x 39654655 x 7930937 x 56649535 x 113299137 x 28945685 x 5789827 x 4795959 x 4135
Negative:
-1 x -3965465-5 x -793093-7 x -566495-35 x -113299-137 x -28945-685 x -5789-827 x -4795-959 x -4135
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 3,965,465, 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 | 3,965,465 | |
| -1 | -3,965,465 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 3,965,465.
Example:
1 x 3,965,465 = 3,965,465
and
-1 x -3,965,465 = 3,965,465
Notice both answers equal 3,965,465
With that explanation out of the way, let's continue. Next, we take the number 3,965,465 and divide it by 2:
3,965,465 ÷ 2 = 1,982,732.5
If the quotient is a whole number, then 2 and 1,982,732.5 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 | 3,965,465 | |
| -1 | -3,965,465 |
Now, we try dividing 3,965,465 by 3:
3,965,465 ÷ 3 = 1,321,821.6667
If the quotient is a whole number, then 3 and 1,321,821.6667 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 | 3,965,465 | |
| -1 | -3,965,465 |
Let's try dividing by 4:
3,965,465 ÷ 4 = 991,366.25
If the quotient is a whole number, then 4 and 991,366.25 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 | 3,965,465 | |
| -1 | 3,965,465 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 137 | 685 | 827 | 959 | 4,135 | 4,795 | 5,789 | 28,945 | 113,299 | 566,495 | 793,093 | 3,965,465 |
| -1 | -5 | -7 | -35 | -137 | -685 | -827 | -959 | -4,135 | -4,795 | -5,789 | -28,945 | -113,299 | -566,495 | -793,093 | -3,965,465 |
Here are some more numbers to try:
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