A:
Positive:
1 x 139105755 x 27821157 x 198722525 x 55642329 x 47967535 x 397445145 x 95935175 x 79489203 x 68525725 x 191871015 x 137052741 x 5075
Negative:
-1 x -13910575-5 x -2782115-7 x -1987225-25 x -556423-29 x -479675-35 x -397445-145 x -95935-175 x -79489-203 x -68525-725 x -19187-1015 x -13705-2741 x -5075
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 13,910,575, 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 | 13,910,575 | |
| -1 | -13,910,575 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 13,910,575.
Example:
1 x 13,910,575 = 13,910,575
and
-1 x -13,910,575 = 13,910,575
Notice both answers equal 13,910,575
With that explanation out of the way, let's continue. Next, we take the number 13,910,575 and divide it by 2:
13,910,575 ÷ 2 = 6,955,287.5
If the quotient is a whole number, then 2 and 6,955,287.5 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 | 13,910,575 | |
| -1 | -13,910,575 |
Now, we try dividing 13,910,575 by 3:
13,910,575 ÷ 3 = 4,636,858.3333
If the quotient is a whole number, then 3 and 4,636,858.3333 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 | 13,910,575 | |
| -1 | -13,910,575 |
Let's try dividing by 4:
13,910,575 ÷ 4 = 3,477,643.75
If the quotient is a whole number, then 4 and 3,477,643.75 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 | 13,910,575 | |
| -1 | 13,910,575 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 25 | 29 | 35 | 145 | 175 | 203 | 725 | 1,015 | 2,741 | 5,075 | 13,705 | 19,187 | 68,525 | 79,489 | 95,935 | 397,445 | 479,675 | 556,423 | 1,987,225 | 2,782,115 | 13,910,575 |
| -1 | -5 | -7 | -25 | -29 | -35 | -145 | -175 | -203 | -725 | -1,015 | -2,741 | -5,075 | -13,705 | -19,187 | -68,525 | -79,489 | -95,935 | -397,445 | -479,675 | -556,423 | -1,987,225 | -2,782,115 | -13,910,575 |
Here are some more numbers to try:
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