A:
Positive:
1 x 420487111 x 38226119 x 22130931 x 13564159 x 71269121 x 34751209 x 20119341 x 12331589 x 7139649 x 64791121 x 37511829 x 2299
Negative:
-1 x -4204871-11 x -382261-19 x -221309-31 x -135641-59 x -71269-121 x -34751-209 x -20119-341 x -12331-589 x -7139-649 x -6479-1121 x -3751-1829 x -2299
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 4,204,871, 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 | 4,204,871 | |
| -1 | -4,204,871 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 4,204,871.
Example:
1 x 4,204,871 = 4,204,871
and
-1 x -4,204,871 = 4,204,871
Notice both answers equal 4,204,871
With that explanation out of the way, let's continue. Next, we take the number 4,204,871 and divide it by 2:
4,204,871 ÷ 2 = 2,102,435.5
If the quotient is a whole number, then 2 and 2,102,435.5 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 | 4,204,871 | |
| -1 | -4,204,871 |
Now, we try dividing 4,204,871 by 3:
4,204,871 ÷ 3 = 1,401,623.6667
If the quotient is a whole number, then 3 and 1,401,623.6667 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 | 4,204,871 | |
| -1 | -4,204,871 |
Let's try dividing by 4:
4,204,871 ÷ 4 = 1,051,217.75
If the quotient is a whole number, then 4 and 1,051,217.75 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 | 4,204,871 | |
| -1 | 4,204,871 |
If you did it right, you will end up with this table:
| 1 | 11 | 19 | 31 | 59 | 121 | 209 | 341 | 589 | 649 | 1,121 | 1,829 | 2,299 | 3,751 | 6,479 | 7,139 | 12,331 | 20,119 | 34,751 | 71,269 | 135,641 | 221,309 | 382,261 | 4,204,871 |
| -1 | -11 | -19 | -31 | -59 | -121 | -209 | -341 | -589 | -649 | -1,121 | -1,829 | -2,299 | -3,751 | -6,479 | -7,139 | -12,331 | -20,119 | -34,751 | -71,269 | -135,641 | -221,309 | -382,261 | -4,204,871 |
Here are some more numbers to try:
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