A:
Positive:
1 x 139165255 x 27833057 x 198807525 x 55666135 x 397615175 x 79523281 x 49525283 x 491751405 x 99051415 x 98351967 x 70751981 x 7025
Negative:
-1 x -13916525-5 x -2783305-7 x -1988075-25 x -556661-35 x -397615-175 x -79523-281 x -49525-283 x -49175-1405 x -9905-1415 x -9835-1967 x -7075-1981 x -7025
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 13,916,525, 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 | 13,916,525 | |
| -1 | -13,916,525 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 13,916,525.
Example:
1 x 13,916,525 = 13,916,525
and
-1 x -13,916,525 = 13,916,525
Notice both answers equal 13,916,525
With that explanation out of the way, let's continue. Next, we take the number 13,916,525 and divide it by 2:
13,916,525 ÷ 2 = 6,958,262.5
If the quotient is a whole number, then 2 and 6,958,262.5 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 | 13,916,525 | |
| -1 | -13,916,525 |
Now, we try dividing 13,916,525 by 3:
13,916,525 ÷ 3 = 4,638,841.6667
If the quotient is a whole number, then 3 and 4,638,841.6667 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 | 13,916,525 | |
| -1 | -13,916,525 |
Let's try dividing by 4:
13,916,525 ÷ 4 = 3,479,131.25
If the quotient is a whole number, then 4 and 3,479,131.25 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 | 13,916,525 | |
| -1 | 13,916,525 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 25 | 35 | 175 | 281 | 283 | 1,405 | 1,415 | 1,967 | 1,981 | 7,025 | 7,075 | 9,835 | 9,905 | 49,175 | 49,525 | 79,523 | 397,615 | 556,661 | 1,988,075 | 2,783,305 | 13,916,525 |
| -1 | -5 | -7 | -25 | -35 | -175 | -281 | -283 | -1,405 | -1,415 | -1,967 | -1,981 | -7,025 | -7,075 | -9,835 | -9,905 | -49,175 | -49,525 | -79,523 | -397,615 | -556,661 | -1,988,075 | -2,783,305 | -13,916,525 |
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