A:
Positive:
1 x 268464497 x 383520719 x 141297171 x 378119133 x 201853497 x 540171349 x 199012843 x 9443
Negative:
-1 x -26846449-7 x -3835207-19 x -1412971-71 x -378119-133 x -201853-497 x -54017-1349 x -19901-2843 x -9443
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 26,846,449, 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 | 26,846,449 | |
| -1 | -26,846,449 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 26,846,449.
Example:
1 x 26,846,449 = 26,846,449
and
-1 x -26,846,449 = 26,846,449
Notice both answers equal 26,846,449
With that explanation out of the way, let's continue. Next, we take the number 26,846,449 and divide it by 2:
26,846,449 ÷ 2 = 13,423,224.5
If the quotient is a whole number, then 2 and 13,423,224.5 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 | 26,846,449 | |
| -1 | -26,846,449 |
Now, we try dividing 26,846,449 by 3:
26,846,449 ÷ 3 = 8,948,816.3333
If the quotient is a whole number, then 3 and 8,948,816.3333 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 | 26,846,449 | |
| -1 | -26,846,449 |
Let's try dividing by 4:
26,846,449 ÷ 4 = 6,711,612.25
If the quotient is a whole number, then 4 and 6,711,612.25 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 | 26,846,449 | |
| -1 | 26,846,449 |
If you did it right, you will end up with this table:
| 1 | 7 | 19 | 71 | 133 | 497 | 1,349 | 2,843 | 9,443 | 19,901 | 54,017 | 201,853 | 378,119 | 1,412,971 | 3,835,207 | 26,846,449 |
| -1 | -7 | -19 | -71 | -133 | -497 | -1,349 | -2,843 | -9,443 | -19,901 | -54,017 | -201,853 | -378,119 | -1,412,971 | -3,835,207 | -26,846,449 |
Here are some more numbers to try:
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