A:
Positive:
1 x 36201655 x 72403319 x 19053553 x 6830595 x 38107265 x 13661719 x 50351007 x 3595
Negative:
-1 x -3620165-5 x -724033-19 x -190535-53 x -68305-95 x -38107-265 x -13661-719 x -5035-1007 x -3595
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 3,620,165, 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 | 3,620,165 | |
| -1 | -3,620,165 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 3,620,165.
Example:
1 x 3,620,165 = 3,620,165
and
-1 x -3,620,165 = 3,620,165
Notice both answers equal 3,620,165
With that explanation out of the way, let's continue. Next, we take the number 3,620,165 and divide it by 2:
3,620,165 ÷ 2 = 1,810,082.5
If the quotient is a whole number, then 2 and 1,810,082.5 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 | 3,620,165 | |
| -1 | -3,620,165 |
Now, we try dividing 3,620,165 by 3:
3,620,165 ÷ 3 = 1,206,721.6667
If the quotient is a whole number, then 3 and 1,206,721.6667 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 | 3,620,165 | |
| -1 | -3,620,165 |
Let's try dividing by 4:
3,620,165 ÷ 4 = 905,041.25
If the quotient is a whole number, then 4 and 905,041.25 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 | 3,620,165 | |
| -1 | 3,620,165 |
If you did it right, you will end up with this table:
| 1 | 5 | 19 | 53 | 95 | 265 | 719 | 1,007 | 3,595 | 5,035 | 13,661 | 38,107 | 68,305 | 190,535 | 724,033 | 3,620,165 |
| -1 | -5 | -19 | -53 | -95 | -265 | -719 | -1,007 | -3,595 | -5,035 | -13,661 | -38,107 | -68,305 | -190,535 | -724,033 | -3,620,165 |
Here are some more numbers to try:
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