A:
Positive:
1 x 17681655 x 3536337 x 25259535 x 5051949 x 36085245 x 7217343 x 51551031 x 1715
Negative:
-1 x -1768165-5 x -353633-7 x -252595-35 x -50519-49 x -36085-245 x -7217-343 x -5155-1031 x -1715
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 1,768,165, 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 | 1,768,165 | |
| -1 | -1,768,165 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 1,768,165.
Example:
1 x 1,768,165 = 1,768,165
and
-1 x -1,768,165 = 1,768,165
Notice both answers equal 1,768,165
With that explanation out of the way, let's continue. Next, we take the number 1,768,165 and divide it by 2:
1,768,165 ÷ 2 = 884,082.5
If the quotient is a whole number, then 2 and 884,082.5 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 | 1,768,165 | |
| -1 | -1,768,165 |
Now, we try dividing 1,768,165 by 3:
1,768,165 ÷ 3 = 589,388.3333
If the quotient is a whole number, then 3 and 589,388.3333 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 | 1,768,165 | |
| -1 | -1,768,165 |
Let's try dividing by 4:
1,768,165 ÷ 4 = 442,041.25
If the quotient is a whole number, then 4 and 442,041.25 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 | 1,768,165 | |
| -1 | 1,768,165 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 35 | 49 | 245 | 343 | 1,031 | 1,715 | 5,155 | 7,217 | 36,085 | 50,519 | 252,595 | 353,633 | 1,768,165 |
| -1 | -5 | -7 | -35 | -49 | -245 | -343 | -1,031 | -1,715 | -5,155 | -7,217 | -36,085 | -50,519 | -252,595 | -353,633 | -1,768,165 |
Here are some more numbers to try:
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