A:
Positive:
1 x 4180155 x 8360313 x 3215559 x 708565 x 6431109 x 3835295 x 1417545 x 767
Negative:
-1 x -418015-5 x -83603-13 x -32155-59 x -7085-65 x -6431-109 x -3835-295 x -1417-545 x -767
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 418,015, 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 | 418,015 | |
| -1 | -418,015 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 418,015.
Example:
1 x 418,015 = 418,015
and
-1 x -418,015 = 418,015
Notice both answers equal 418,015
With that explanation out of the way, let's continue. Next, we take the number 418,015 and divide it by 2:
418,015 ÷ 2 = 209,007.5
If the quotient is a whole number, then 2 and 209,007.5 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 | 418,015 | |
| -1 | -418,015 |
Now, we try dividing 418,015 by 3:
418,015 ÷ 3 = 139,338.3333
If the quotient is a whole number, then 3 and 139,338.3333 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 | 418,015 | |
| -1 | -418,015 |
Let's try dividing by 4:
418,015 ÷ 4 = 104,503.75
If the quotient is a whole number, then 4 and 104,503.75 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 | 418,015 | |
| -1 | 418,015 |
If you did it right, you will end up with this table:
| 1 | 5 | 13 | 59 | 65 | 109 | 295 | 545 | 767 | 1,417 | 3,835 | 6,431 | 7,085 | 32,155 | 83,603 | 418,015 |
| -1 | -5 | -13 | -59 | -65 | -109 | -295 | -545 | -767 | -1,417 | -3,835 | -6,431 | -7,085 | -32,155 | -83,603 | -418,015 |
Here are some more numbers to try:
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