A:
Positive:
1 x 36782055 x 73564117 x 21636585 x 43273109 x 33745397 x 9265545 x 67491853 x 1985
Negative:
-1 x -3678205-5 x -735641-17 x -216365-85 x -43273-109 x -33745-397 x -9265-545 x -6749-1853 x -1985
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 3,678,205, 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 | 3,678,205 | |
| -1 | -3,678,205 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 3,678,205.
Example:
1 x 3,678,205 = 3,678,205
and
-1 x -3,678,205 = 3,678,205
Notice both answers equal 3,678,205
With that explanation out of the way, let's continue. Next, we take the number 3,678,205 and divide it by 2:
3,678,205 ÷ 2 = 1,839,102.5
If the quotient is a whole number, then 2 and 1,839,102.5 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 | 3,678,205 | |
| -1 | -3,678,205 |
Now, we try dividing 3,678,205 by 3:
3,678,205 ÷ 3 = 1,226,068.3333
If the quotient is a whole number, then 3 and 1,226,068.3333 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 | 3,678,205 | |
| -1 | -3,678,205 |
Let's try dividing by 4:
3,678,205 ÷ 4 = 919,551.25
If the quotient is a whole number, then 4 and 919,551.25 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 | 3,678,205 | |
| -1 | 3,678,205 |
If you did it right, you will end up with this table:
| 1 | 5 | 17 | 85 | 109 | 397 | 545 | 1,853 | 1,985 | 6,749 | 9,265 | 33,745 | 43,273 | 216,365 | 735,641 | 3,678,205 |
| -1 | -5 | -17 | -85 | -109 | -397 | -545 | -1,853 | -1,985 | -6,749 | -9,265 | -33,745 | -43,273 | -216,365 | -735,641 | -3,678,205 |
Here are some more numbers to try:
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