A:
Positive:
1 x 15171955 x 30343923 x 6596579 x 19205115 x 13193167 x 9085395 x 3841835 x 1817
Negative:
-1 x -1517195-5 x -303439-23 x -65965-79 x -19205-115 x -13193-167 x -9085-395 x -3841-835 x -1817
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 1,517,195, 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 | 1,517,195 | |
| -1 | -1,517,195 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 1,517,195.
Example:
1 x 1,517,195 = 1,517,195
and
-1 x -1,517,195 = 1,517,195
Notice both answers equal 1,517,195
With that explanation out of the way, let's continue. Next, we take the number 1,517,195 and divide it by 2:
1,517,195 ÷ 2 = 758,597.5
If the quotient is a whole number, then 2 and 758,597.5 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 | 1,517,195 | |
| -1 | -1,517,195 |
Now, we try dividing 1,517,195 by 3:
1,517,195 ÷ 3 = 505,731.6667
If the quotient is a whole number, then 3 and 505,731.6667 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 | 1,517,195 | |
| -1 | -1,517,195 |
Let's try dividing by 4:
1,517,195 ÷ 4 = 379,298.75
If the quotient is a whole number, then 4 and 379,298.75 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 | 1,517,195 | |
| -1 | 1,517,195 |
If you did it right, you will end up with this table:
| 1 | 5 | 23 | 79 | 115 | 167 | 395 | 835 | 1,817 | 3,841 | 9,085 | 13,193 | 19,205 | 65,965 | 303,439 | 1,517,195 |
| -1 | -5 | -23 | -79 | -115 | -167 | -395 | -835 | -1,817 | -3,841 | -9,085 | -13,193 | -19,205 | -65,965 | -303,439 | -1,517,195 |
Here are some more numbers to try:
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