A:
Positive:
1 x 156550037 x 223642913 x 120423171 x 22049391 x 172033497 x 31499923 x 169612423 x 6461
Negative:
-1 x -15655003-7 x -2236429-13 x -1204231-71 x -220493-91 x -172033-497 x -31499-923 x -16961-2423 x -6461
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 15,655,003, 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 | 15,655,003 | |
| -1 | -15,655,003 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 15,655,003.
Example:
1 x 15,655,003 = 15,655,003
and
-1 x -15,655,003 = 15,655,003
Notice both answers equal 15,655,003
With that explanation out of the way, let's continue. Next, we take the number 15,655,003 and divide it by 2:
15,655,003 ÷ 2 = 7,827,501.5
If the quotient is a whole number, then 2 and 7,827,501.5 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 | 15,655,003 | |
| -1 | -15,655,003 |
Now, we try dividing 15,655,003 by 3:
15,655,003 ÷ 3 = 5,218,334.3333
If the quotient is a whole number, then 3 and 5,218,334.3333 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 | 15,655,003 | |
| -1 | -15,655,003 |
Let's try dividing by 4:
15,655,003 ÷ 4 = 3,913,750.75
If the quotient is a whole number, then 4 and 3,913,750.75 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 | 15,655,003 | |
| -1 | 15,655,003 |
If you did it right, you will end up with this table:
| 1 | 7 | 13 | 71 | 91 | 497 | 923 | 2,423 | 6,461 | 16,961 | 31,499 | 172,033 | 220,493 | 1,204,231 | 2,236,429 | 15,655,003 |
| -1 | -7 | -13 | -71 | -91 | -497 | -923 | -2,423 | -6,461 | -16,961 | -31,499 | -172,033 | -220,493 | -1,204,231 | -2,236,429 | -15,655,003 |
Here are some more numbers to try:
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