A:
Positive:
1 x 186770997 x 266815741 x 45553959 x 316561287 x 65077413 x 452231103 x 169332419 x 7721
Negative:
-1 x -18677099-7 x -2668157-41 x -455539-59 x -316561-287 x -65077-413 x -45223-1103 x -16933-2419 x -7721
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 18,677,099, 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 | 18,677,099 | |
| -1 | -18,677,099 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 18,677,099.
Example:
1 x 18,677,099 = 18,677,099
and
-1 x -18,677,099 = 18,677,099
Notice both answers equal 18,677,099
With that explanation out of the way, let's continue. Next, we take the number 18,677,099 and divide it by 2:
18,677,099 ÷ 2 = 9,338,549.5
If the quotient is a whole number, then 2 and 9,338,549.5 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 | 18,677,099 | |
| -1 | -18,677,099 |
Now, we try dividing 18,677,099 by 3:
18,677,099 ÷ 3 = 6,225,699.6667
If the quotient is a whole number, then 3 and 6,225,699.6667 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 | 18,677,099 | |
| -1 | -18,677,099 |
Let's try dividing by 4:
18,677,099 ÷ 4 = 4,669,274.75
If the quotient is a whole number, then 4 and 4,669,274.75 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 | 18,677,099 | |
| -1 | 18,677,099 |
If you did it right, you will end up with this table:
| 1 | 7 | 41 | 59 | 287 | 413 | 1,103 | 2,419 | 7,721 | 16,933 | 45,223 | 65,077 | 316,561 | 455,539 | 2,668,157 | 18,677,099 |
| -1 | -7 | -41 | -59 | -287 | -413 | -1,103 | -2,419 | -7,721 | -16,933 | -45,223 | -65,077 | -316,561 | -455,539 | -2,668,157 | -18,677,099 |
Here are some more numbers to try:
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