A:
Positive:
1 x 14721917 x 21031343 x 3423767 x 2197373 x 20167301 x 4891469 x 3139511 x 2881
Negative:
-1 x -1472191-7 x -210313-43 x -34237-67 x -21973-73 x -20167-301 x -4891-469 x -3139-511 x -2881
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 1,472,191, 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 | 1,472,191 | |
| -1 | -1,472,191 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 1,472,191.
Example:
1 x 1,472,191 = 1,472,191
and
-1 x -1,472,191 = 1,472,191
Notice both answers equal 1,472,191
With that explanation out of the way, let's continue. Next, we take the number 1,472,191 and divide it by 2:
1,472,191 ÷ 2 = 736,095.5
If the quotient is a whole number, then 2 and 736,095.5 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 | 1,472,191 | |
| -1 | -1,472,191 |
Now, we try dividing 1,472,191 by 3:
1,472,191 ÷ 3 = 490,730.3333
If the quotient is a whole number, then 3 and 490,730.3333 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 | 1,472,191 | |
| -1 | -1,472,191 |
Let's try dividing by 4:
1,472,191 ÷ 4 = 368,047.75
If the quotient is a whole number, then 4 and 368,047.75 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 | 1,472,191 | |
| -1 | 1,472,191 |
If you did it right, you will end up with this table:
| 1 | 7 | 43 | 67 | 73 | 301 | 469 | 511 | 2,881 | 3,139 | 4,891 | 20,167 | 21,973 | 34,237 | 210,313 | 1,472,191 |
| -1 | -7 | -43 | -67 | -73 | -301 | -469 | -511 | -2,881 | -3,139 | -4,891 | -20,167 | -21,973 | -34,237 | -210,313 | -1,472,191 |
Here are some more numbers to try:
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