A:
Positive:
1 x 9016155 x 18032311 x 8196513 x 6935555 x 1639365 x 1387197 x 9295143 x 6305169 x 5335485 x 1859715 x 1261845 x 1067
Negative:
-1 x -901615-5 x -180323-11 x -81965-13 x -69355-55 x -16393-65 x -13871-97 x -9295-143 x -6305-169 x -5335-485 x -1859-715 x -1261-845 x -1067
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 901,615, 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 | 901,615 | |
| -1 | -901,615 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 901,615.
Example:
1 x 901,615 = 901,615
and
-1 x -901,615 = 901,615
Notice both answers equal 901,615
With that explanation out of the way, let's continue. Next, we take the number 901,615 and divide it by 2:
901,615 ÷ 2 = 450,807.5
If the quotient is a whole number, then 2 and 450,807.5 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 | 901,615 | |
| -1 | -901,615 |
Now, we try dividing 901,615 by 3:
901,615 ÷ 3 = 300,538.3333
If the quotient is a whole number, then 3 and 300,538.3333 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 | 901,615 | |
| -1 | -901,615 |
Let's try dividing by 4:
901,615 ÷ 4 = 225,403.75
If the quotient is a whole number, then 4 and 225,403.75 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 | 901,615 | |
| -1 | 901,615 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 13 | 55 | 65 | 97 | 143 | 169 | 485 | 715 | 845 | 1,067 | 1,261 | 1,859 | 5,335 | 6,305 | 9,295 | 13,871 | 16,393 | 69,355 | 81,965 | 180,323 | 901,615 |
| -1 | -5 | -11 | -13 | -55 | -65 | -97 | -143 | -169 | -485 | -715 | -845 | -1,067 | -1,261 | -1,859 | -5,335 | -6,305 | -9,295 | -13,871 | -16,393 | -69,355 | -81,965 | -180,323 | -901,615 |
Here are some more numbers to try:
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