A:
Positive:
1 x 156146655 x 312293311 x 141951555 x 283903193 x 80905965 x 161811471 x 106152123 x 7355
Negative:
-1 x -15614665-5 x -3122933-11 x -1419515-55 x -283903-193 x -80905-965 x -16181-1471 x -10615-2123 x -7355
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 15,614,665, 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 | 15,614,665 | |
| -1 | -15,614,665 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 15,614,665.
Example:
1 x 15,614,665 = 15,614,665
and
-1 x -15,614,665 = 15,614,665
Notice both answers equal 15,614,665
With that explanation out of the way, let's continue. Next, we take the number 15,614,665 and divide it by 2:
15,614,665 ÷ 2 = 7,807,332.5
If the quotient is a whole number, then 2 and 7,807,332.5 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 | 15,614,665 | |
| -1 | -15,614,665 |
Now, we try dividing 15,614,665 by 3:
15,614,665 ÷ 3 = 5,204,888.3333
If the quotient is a whole number, then 3 and 5,204,888.3333 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 | 15,614,665 | |
| -1 | -15,614,665 |
Let's try dividing by 4:
15,614,665 ÷ 4 = 3,903,666.25
If the quotient is a whole number, then 4 and 3,903,666.25 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 | 15,614,665 | |
| -1 | 15,614,665 |
If you did it right, you will end up with this table:
| 1 | 5 | 11 | 55 | 193 | 965 | 1,471 | 2,123 | 7,355 | 10,615 | 16,181 | 80,905 | 283,903 | 1,419,515 | 3,122,933 | 15,614,665 |
| -1 | -5 | -11 | -55 | -193 | -965 | -1,471 | -2,123 | -7,355 | -10,615 | -16,181 | -80,905 | -283,903 | -1,419,515 | -3,122,933 | -15,614,665 |
Here are some more numbers to try:
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